/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 '"3,2 1,1 2,2"' --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/channel-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 15:34:40,316 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 15:34:40,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 15:34:40,412 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 15:34:40,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 15:34:40,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 15:34:40,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 15:34:40,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 15:34:40,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 15:34:40,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 15:34:40,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 15:34:40,414 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 15:34:40,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 15:34:40,414 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 15:34:40,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 15:34:40,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 15:34:40,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 15:34:40,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 15:34:40,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 15:34:40,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 15:34:40,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 15:34:40,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 15:34:40,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 15:34:40,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 15:34:40,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 15:34:40,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 15:34:40,418 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 15:34:40,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-19 15:34:40,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 15:34:40,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 15:34:40,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 15:34:40,671 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 15:34:40,672 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 15:34:40,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl [2023-05-19 15:34:40,674 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl' [2023-05-19 15:34:40,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 15:34:40,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 15:34:40,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 15:34:40,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 15:34:40,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 15:34:40,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,720 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 15:34:40,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 15:34:40,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 15:34:40,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 15:34:40,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 15:34:40,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 15:34:40,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 15:34:40,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 15:34:40,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 15:34:40,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/1) ... [2023-05-19 15:34:40,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 15:34:40,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:40,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 15:34:40,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 15:34:40,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 15:34:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 15:34:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 15:34:40,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 15:34:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 15:34:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 15:34:40,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 15:34:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 15:34:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 15:34:40,805 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 15:34:40,844 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 15:34:40,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 15:34:40,924 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 15:34:40,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 15:34:40,945 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-19 15:34:40,946 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2023-05-19 15:34:40,948 INFO L202 PluginConnector]: Adding new model channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 03:34:40 BoogieIcfgContainer [2023-05-19 15:34:40,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 15:34:40,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 15:34:40,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 15:34:40,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 15:34:40,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:34:40" (1/2) ... [2023-05-19 15:34:40,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235ebf57 and model type channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 03:34:40, skipping insertion in model container [2023-05-19 15:34:40,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 03:34:40" (2/2) ... [2023-05-19 15:34:40,962 INFO L112 eAbstractionObserver]: Analyzing ICFG channel-sum.wvr.bpl [2023-05-19 15:34:40,968 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 15:34:40,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 15:34:40,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 15:34:40,975 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 15:34:41,032 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-19 15:34:41,066 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 15:34:41,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 15:34:41,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:41,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 15:34:41,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 15:34:41,126 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 15:34:41,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 15:34:41,147 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;@3663e747, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 15:34:41,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 15:34:41,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:41,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:41,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1787380649, now seen corresponding path program 1 times [2023-05-19 15:34:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:41,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630700691] [2023-05-19 15:34:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:41,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:41,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630700691] [2023-05-19 15:34:41,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630700691] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:34:41,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:34:41,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 15:34:41,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29924314] [2023-05-19 15:34:41,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:34:41,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:34:41,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:41,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:34:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:34:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,442 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:41,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:41,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 15:34:41,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:41,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1591453815, now seen corresponding path program 1 times [2023-05-19 15:34:41,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:41,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270328656] [2023-05-19 15:34:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:41,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:41,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:41,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270328656] [2023-05-19 15:34:41,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270328656] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:34:41,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:34:41,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 15:34:41,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031625845] [2023-05-19 15:34:41,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:34:41,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:34:41,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:41,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:34:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:34:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:41,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:41,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 15:34:41,636 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:41,636 INFO L85 PathProgramCache]: Analyzing trace with hash 274363008, now seen corresponding path program 1 times [2023-05-19 15:34:41,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:41,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504826991] [2023-05-19 15:34:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:41,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:41,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504826991] [2023-05-19 15:34:41,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504826991] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:34:41,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:34:41,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 15:34:41,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478831540] [2023-05-19 15:34:41,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:34:41,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:34:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:41,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:34:41,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:34:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:41,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:41,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 15:34:41,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:41,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:41,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2124692131, now seen corresponding path program 2 times [2023-05-19 15:34:41,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:41,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476732260] [2023-05-19 15:34:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:41,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:41,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476732260] [2023-05-19 15:34:41,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476732260] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655028135] [2023-05-19 15:34:41,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:34:41,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:41,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:41,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:41,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 15:34:41,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:34:41,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:41,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 15:34:41,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:41,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 15:34:41,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655028135] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:34:41,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 15:34:41,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-05-19 15:34:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556280176] [2023-05-19 15:34:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:34:41,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 15:34:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 15:34:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 15:34:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:41,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:41,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:42,092 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,SelfDestructingSolverStorable3 [2023-05-19 15:34:42,093 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1062010722, now seen corresponding path program 3 times [2023-05-19 15:34:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:42,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440280293] [2023-05-19 15:34:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:42,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440280293] [2023-05-19 15:34:42,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440280293] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130123147] [2023-05-19 15:34:42,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 15:34:42,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:42,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:42,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:42,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 15:34:42,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-19 15:34:42,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:42,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-19 15:34:42,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:42,334 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 [2023-05-19 15:34:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:42,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:42,434 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:34:42,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2023-05-19 15:34:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:42,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130123147] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:42,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:42,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-19 15:34:42,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479951151] [2023-05-19 15:34:42,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:42,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 15:34:42,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:42,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 15:34:42,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-05-19 15:34:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:42,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:42,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:42,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:42,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:42,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 15:34:42,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:42,801 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2050635169, now seen corresponding path program 4 times [2023-05-19 15:34:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:42,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644830418] [2023-05-19 15:34:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:42,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:42,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644830418] [2023-05-19 15:34:42,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644830418] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:42,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341150866] [2023-05-19 15:34:42,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 15:34:42,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:42,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:42,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:42,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 15:34:42,885 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 15:34:42,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:42,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 15:34:42,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:42,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:34:42,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341150866] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:42,903 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:42,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-19 15:34:42,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83433369] [2023-05-19 15:34:42,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:42,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 15:34:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:42,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 15:34:42,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 15:34:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:42,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:42,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:42,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:42,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:43,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:43,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash 57170305, now seen corresponding path program 1 times [2023-05-19 15:34:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:43,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052914897] [2023-05-19 15:34:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:43,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:43,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052914897] [2023-05-19 15:34:43,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052914897] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:43,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769206753] [2023-05-19 15:34:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:43,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:43,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:43,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 15:34:43,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:43,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 15:34:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:43,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:43,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-05-19 15:34:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:43,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:43,745 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:34:43,746 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 42 treesize of output 60 [2023-05-19 15:34:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:43,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769206753] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:43,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:43,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2023-05-19 15:34:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642096268] [2023-05-19 15:34:43,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:43,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 15:34:43,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:43,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 15:34:43,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2023-05-19 15:34:43,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:43,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:43,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 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) [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:44,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:44,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:44,191 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:44,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash -408995716, now seen corresponding path program 2 times [2023-05-19 15:34:44,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:44,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734322710] [2023-05-19 15:34:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:34:44,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:44,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734322710] [2023-05-19 15:34:44,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734322710] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:44,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828420583] [2023-05-19 15:34:44,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:34:44,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:44,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:44,450 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:44,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 15:34:44,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:34:44,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:44,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-19 15:34:44,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:44,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:44,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:44,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2023-05-19 15:34:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:44,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:45,038 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:34:45,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2023-05-19 15:34:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:45,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828420583] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:45,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:45,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 27 [2023-05-19 15:34:45,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386946119] [2023-05-19 15:34:45,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:45,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-19 15:34:45,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:45,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-19 15:34:45,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2023-05-19 15:34:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:45,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:45,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:45,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-19 15:34:45,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:45,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:45,684 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1777408449, now seen corresponding path program 3 times [2023-05-19 15:34:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:45,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335606317] [2023-05-19 15:34:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:34:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:46,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335606317] [2023-05-19 15:34:46,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335606317] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:46,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189501081] [2023-05-19 15:34:46,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 15:34:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:46,008 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:46,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 15:34:46,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 15:34:46,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:46,034 WARN L261 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 44 conjunts are in the unsatisfiable core [2023-05-19 15:34:46,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:46,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:46,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:46,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:46,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 32 [2023-05-19 15:34:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:46,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:47,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:47,325 INFO L356 Elim1Store]: treesize reduction 26, result has 80.5 percent of original size [2023-05-19 15:34:47,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 78 treesize of output 144 [2023-05-19 15:34:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:47,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189501081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:47,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:47,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 38 [2023-05-19 15:34:47,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353162310] [2023-05-19 15:34:47,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-19 15:34:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:47,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-19 15:34:47,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1212, Unknown=0, NotChecked=0, Total=1482 [2023-05-19 15:34:47,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:47,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:47,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 38 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-19 15:34:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-19 15:34:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-19 15:34:47,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:48,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:48,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash -144890369, now seen corresponding path program 4 times [2023-05-19 15:34:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:48,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553546114] [2023-05-19 15:34:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:48,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 15:34:48,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:48,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553546114] [2023-05-19 15:34:48,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553546114] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:48,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990132807] [2023-05-19 15:34:48,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 15:34:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:48,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:48,290 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 15:34:48,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:48,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 15:34:48,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 15:34:48,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 15:34:48,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 15:34:48,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990132807] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:48,366 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:48,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 6 [2023-05-19 15:34:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126632902] [2023-05-19 15:34:48,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:48,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 15:34:48,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 15:34:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-05-19 15:34:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:48,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:48,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-19 15:34:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 15:34:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:48,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:48,673 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,SelfDestructingSolverStorable9 [2023-05-19 15:34:48,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash 278582810, now seen corresponding path program 5 times [2023-05-19 15:34:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:48,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929813949] [2023-05-19 15:34:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:34:49,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:49,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929813949] [2023-05-19 15:34:49,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929813949] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:49,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988676016] [2023-05-19 15:34:49,056 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 15:34:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:49,067 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:49,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 15:34:49,093 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-19 15:34:49,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:49,094 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-19 15:34:49,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:49,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:49,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 37 [2023-05-19 15:34:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:49,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:50,362 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:34:50,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 98 treesize of output 284 [2023-05-19 15:34:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:50,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988676016] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:50,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:50,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 45 [2023-05-19 15:34:50,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688192372] [2023-05-19 15:34:50,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:50,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-19 15:34:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:50,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-19 15:34:50,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1823, Unknown=0, NotChecked=0, Total=2070 [2023-05-19 15:34:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:50,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:50,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.0217391304347827) internal successors, (93), 45 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:50,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 15:34:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 15:34:51,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-19 15:34:51,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:51,883 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:51,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:51,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1775620927, now seen corresponding path program 6 times [2023-05-19 15:34:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:51,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218928075] [2023-05-19 15:34:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:34:52,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:52,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218928075] [2023-05-19 15:34:52,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218928075] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:52,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516251468] [2023-05-19 15:34:52,529 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 15:34:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:52,530 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:52,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 15:34:52,571 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-19 15:34:52,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:52,572 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 61 conjunts are in the unsatisfiable core [2023-05-19 15:34:52,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,556 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:53,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:53,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:53,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:53,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:53,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 44 [2023-05-19 15:34:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:53,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:54,547 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:34:54,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2023-05-19 15:34:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:55,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516251468] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:55,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:55,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 55 [2023-05-19 15:34:55,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876907585] [2023-05-19 15:34:55,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:55,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-19 15:34:55,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:55,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-19 15:34:55,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=2754, Unknown=0, NotChecked=0, Total=3080 [2023-05-19 15:34:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:55,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:55,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.9285714285714286) internal successors, (108), 55 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:34:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 15:34:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 15:34:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 15:34:56,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:56,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 15:34:56,670 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -709331776, now seen corresponding path program 7 times [2023-05-19 15:34:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740417913] [2023-05-19 15:34:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 51 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 15:34:56,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:56,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740417913] [2023-05-19 15:34:56,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740417913] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:56,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702801660] [2023-05-19 15:34:56,729 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 15:34:56,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:56,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:56,730 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:56,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 15:34:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:56,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-19 15:34:56,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 15:34:56,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:34:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 15:34:56,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702801660] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:34:56,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:34:56,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2023-05-19 15:34:56,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588740902] [2023-05-19 15:34:56,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:34:56,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 15:34:56,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:34:56,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 15:34:56,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-05-19 15:34:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:56,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:34:56,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 15:34:56,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:34:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:34:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:34:57,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 15:34:57,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 15:34:57,266 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:34:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:34:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1513478520, now seen corresponding path program 8 times [2023-05-19 15:34:57,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:34:57,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250520088] [2023-05-19 15:34:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:34:57,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:34:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:34:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:34:57,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:34:57,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250520088] [2023-05-19 15:34:57,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250520088] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:34:57,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034664164] [2023-05-19 15:34:57,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:34:57,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:34:57,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:34:57,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:34:57,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 15:34:57,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:34:57,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:34:57,958 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 71 conjunts are in the unsatisfiable core [2023-05-19 15:34:57,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:34:59,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,198 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:34:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:34:59,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 21 disjoint index pairs (out of 78 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 49 [2023-05-19 15:34:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:34:59,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:35:00,370 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:35:00,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2023-05-19 15:35:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:35:01,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034664164] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:35:01,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:35:01,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 63 [2023-05-19 15:35:01,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584475261] [2023-05-19 15:35:01,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:35:01,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-19 15:35:01,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:35:01,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-19 15:35:01,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=3635, Unknown=0, NotChecked=0, Total=4032 [2023-05-19 15:35:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:35:01,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:35:01,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.921875) internal successors, (123), 63 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:35:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:35:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:35:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:35:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 15:35:03,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 15:35:03,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-19 15:35:03,825 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:35:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:35:03,825 INFO L85 PathProgramCache]: Analyzing trace with hash -897748351, now seen corresponding path program 9 times [2023-05-19 15:35:03,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:35:03,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230883664] [2023-05-19 15:35:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:35:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:35:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:35:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:35:04,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:35:04,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230883664] [2023-05-19 15:35:04,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230883664] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:35:04,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106501876] [2023-05-19 15:35:04,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 15:35:04,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:35:04,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:35:04,681 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:35:04,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 15:35:04,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-19 15:35:04,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:35:04,764 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-19 15:35:04,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:35:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,495 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,512 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:35:37,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:35:37,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 56 [2023-05-19 15:35:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:35:37,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:35:41,163 INFO L356 Elim1Store]: treesize reduction 280, result has 66.9 percent of original size [2023-05-19 15:35:41,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 176 treesize of output 656 [2023-05-19 15:35:53,828 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:35:53,863 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:35:53,877 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 15:35:53,933 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:35:53,953 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:35:53,997 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 15:35:54,062 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 15:35:54,092 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 15:35:54,107 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-19 15:36:10,005 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,315 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,329 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,341 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,350 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,364 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,382 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,395 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,403 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,418 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,429 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,440 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,450 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,461 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,468 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,478 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,490 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,509 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,523 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,533 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,541 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,556 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,564 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,572 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,579 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,623 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,636 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,647 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,658 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,678 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,686 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,696 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,704 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,727 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,737 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,755 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,765 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,777 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,790 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,807 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,816 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,830 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,839 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,848 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,857 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,868 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,877 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,886 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,895 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:10,923 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,935 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,948 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:10,956 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,961 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:10,973 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,089 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:11,098 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:11,111 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:11,121 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:11,130 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:11,142 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,547 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,576 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,662 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,799 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:11,814 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,834 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,847 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,864 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:11,871 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,061 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,070 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,079 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,088 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,099 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,180 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,187 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,196 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,207 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,215 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,337 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,345 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,354 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,384 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,392 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,513 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,521 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,529 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,538 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,546 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,719 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,727 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,736 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,745 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,764 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,804 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,811 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,819 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,828 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,836 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,965 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,972 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:12,980 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:12,988 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:12,996 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:13,177 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:13,184 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-19 15:36:13,194 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-19 15:36:13,203 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:13,212 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-19 15:36:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:36:23,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106501876] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:36:23,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:36:23,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27, 27] total 72 [2023-05-19 15:36:23,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619093235] [2023-05-19 15:36:23,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:36:23,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-19 15:36:23,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:36:23,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-19 15:36:23,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=4485, Unknown=15, NotChecked=0, Total=5256 [2023-05-19 15:36:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:23,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:36:23,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.904109589041096) internal successors, (139), 72 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 15:36:23,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 15:36:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 15:36:35,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 15:36:35,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-19 15:36:35,931 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:36:35,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:36:35,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1767144445, now seen corresponding path program 10 times [2023-05-19 15:36:35,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:36:35,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996970688] [2023-05-19 15:36:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:36:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:36:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:36:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 97 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-19 15:36:36,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:36:36,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996970688] [2023-05-19 15:36:36,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996970688] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:36:36,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659202709] [2023-05-19 15:36:36,050 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 15:36:36,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:36:36,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:36:36,051 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:36:36,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 15:36:36,097 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 15:36:36,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:36:36,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 15:36:36,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:36:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 94 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 15:36:36,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:36:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 94 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 15:36:36,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659202709] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:36:36,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:36:36,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 10 [2023-05-19 15:36:36,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163653533] [2023-05-19 15:36:36,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:36:36,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 15:36:36,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:36:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 15:36:36,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=58, Unknown=0, NotChecked=0, Total=110 [2023-05-19 15:36:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:36,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:36:36,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 15:36:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 15:36:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 15:36:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 15:36:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:36:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:36,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 15:36:36,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:36:36,604 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:36:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:36:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash 783565462, now seen corresponding path program 11 times [2023-05-19 15:36:36,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:36:36,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321556161] [2023-05-19 15:36:36,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:36:36,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:36:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:36:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:36:37,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:36:37,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321556161] [2023-05-19 15:36:37,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321556161] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:36:37,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324640685] [2023-05-19 15:36:37,591 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 15:36:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:36:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:36:37,593 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:36:37,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 15:36:37,640 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-19 15:36:37,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:36:37,641 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 92 conjunts are in the unsatisfiable core [2023-05-19 15:36:37,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:36:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:39,586 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,586 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:39,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 61 [2023-05-19 15:36:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:36:39,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:36:41,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,847 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:41,999 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:36:41,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 174 treesize of output 504 [2023-05-19 15:36:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 1 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:36:42,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324640685] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:36:42,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:36:42,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 30] total 81 [2023-05-19 15:36:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575750971] [2023-05-19 15:36:42,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:36:42,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-05-19 15:36:42,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:36:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-05-19 15:36:42,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=583, Invalid=6059, Unknown=0, NotChecked=0, Total=6642 [2023-05-19 15:36:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:42,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:36:42,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 81 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:42,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:36:47,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-19 15:36:47,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-19 15:36:47,703 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:36:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:36:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash 613228354, now seen corresponding path program 12 times [2023-05-19 15:36:47,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:36:47,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52521762] [2023-05-19 15:36:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:36:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:36:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:36:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:36:48,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:36:48,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52521762] [2023-05-19 15:36:48,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52521762] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:36:48,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092379766] [2023-05-19 15:36:48,517 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 15:36:48,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:36:48,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:36:48,519 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:36:48,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 15:36:48,554 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-19 15:36:48,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:36:48,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 91 conjunts are in the unsatisfiable core [2023-05-19 15:36:48,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:36:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:36:50,581 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:36:50,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 61 [2023-05-19 15:36:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 2 proven. 198 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:36:50,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:36:53,133 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:36:53,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2023-05-19 15:36:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 1 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:36:55,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092379766] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:36:55,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:36:55,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 30, 30] total 79 [2023-05-19 15:36:55,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410678200] [2023-05-19 15:36:55,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:36:55,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-05-19 15:36:55,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:36:55,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-05-19 15:36:55,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=5782, Unknown=0, NotChecked=0, Total=6320 [2023-05-19 15:36:55,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:55,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:36:55,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.9875) internal successors, (159), 79 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:55,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:36:55,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:36:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:36:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 15:36:58,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-19 15:36:59,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-19 15:36:59,159 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:36:59,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:36:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1462291201, now seen corresponding path program 13 times [2023-05-19 15:36:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:36:59,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391931548] [2023-05-19 15:36:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:36:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:36:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:37:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:37:00,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:37:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391931548] [2023-05-19 15:37:00,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391931548] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:37:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119453602] [2023-05-19 15:37:00,160 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 15:37:00,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:00,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:37:00,161 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:37:00,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-19 15:37:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:37:00,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 101 conjunts are in the unsatisfiable core [2023-05-19 15:37:00,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:37:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,778 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,779 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:02,781 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,781 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:02,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 45 disjoint index pairs (out of 171 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 68 [2023-05-19 15:37:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:02,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:37:05,766 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:37:05,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2023-05-19 15:37:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:08,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119453602] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:37:08,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:37:08,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33, 33] total 88 [2023-05-19 15:37:08,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137628150] [2023-05-19 15:37:08,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:37:08,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-05-19 15:37:08,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:37:08,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-05-19 15:37:08,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=625, Invalid=7207, Unknown=0, NotChecked=0, Total=7832 [2023-05-19 15:37:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:08,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:37:08,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.8876404494382022) internal successors, (168), 88 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 15:37:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 15:37:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:14,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-19 15:37:14,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:14,452 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:37:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:37:14,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1367900928, now seen corresponding path program 14 times [2023-05-19 15:37:14,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:37:14,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419029049] [2023-05-19 15:37:14,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:37:14,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:37:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:37:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 63 proven. 157 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-19 15:37:14,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:37:14,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419029049] [2023-05-19 15:37:14,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419029049] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:37:14,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976653948] [2023-05-19 15:37:14,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:37:14,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:14,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:37:14,541 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:37:14,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-19 15:37:14,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:37:14,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:37:14,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-19 15:37:14,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:37:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 63 proven. 154 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 15:37:14,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:37:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 63 proven. 154 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 15:37:14,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976653948] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:37:14,776 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:37:14,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 8 [2023-05-19 15:37:14,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390010565] [2023-05-19 15:37:14,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:37:14,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 15:37:14,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:37:14,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 15:37:14,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-05-19 15:37:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:14,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:37:14,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-19 15:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:37:15,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-19 15:37:15,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:15,671 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:37:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:37:15,671 INFO L85 PathProgramCache]: Analyzing trace with hash 370020724, now seen corresponding path program 15 times [2023-05-19 15:37:15,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:37:15,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460721284] [2023-05-19 15:37:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:37:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:37:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:37:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:37:16,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:37:16,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460721284] [2023-05-19 15:37:16,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460721284] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:37:16,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049917058] [2023-05-19 15:37:16,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 15:37:16,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:16,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:37:16,967 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:37:16,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-19 15:37:17,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-19 15:37:17,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:37:17,005 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 113 conjunts are in the unsatisfiable core [2023-05-19 15:37:17,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:37:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,194 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:20,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:20,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 73 [2023-05-19 15:37:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:20,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:37:23,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,886 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,890 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:23,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:24,328 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:37:24,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 212 treesize of output 724 [2023-05-19 15:37:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:25,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049917058] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:37:25,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:37:25,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 36, 36] total 97 [2023-05-19 15:37:25,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423232590] [2023-05-19 15:37:25,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:37:25,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-05-19 15:37:25,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:37:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-05-19 15:37:25,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1477, Invalid=8029, Unknown=0, NotChecked=0, Total=9506 [2023-05-19 15:37:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:25,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:37:25,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.8775510204081634) internal successors, (184), 97 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:25,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:37:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-19 15:37:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:37:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 15:37:36,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-19 15:37:36,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:36,248 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:37:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:37:36,249 INFO L85 PathProgramCache]: Analyzing trace with hash -432138687, now seen corresponding path program 16 times [2023-05-19 15:37:36,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:37:36,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124769475] [2023-05-19 15:37:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:37:36,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:37:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:37:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:37:37,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:37:37,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124769475] [2023-05-19 15:37:37,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124769475] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:37:37,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346798778] [2023-05-19 15:37:37,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 15:37:37,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:37:37,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:37:37,604 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:37:37,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-19 15:37:37,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 15:37:37,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:37:37,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 121 conjunts are in the unsatisfiable core [2023-05-19 15:37:37,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:37:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,482 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,495 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,497 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:37:41,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:37:41,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 66 disjoint index pairs (out of 253 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 80 [2023-05-19 15:37:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 2 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:41,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:37:46,140 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:37:46,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2023-05-19 15:37:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 1 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:37:51,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346798778] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:37:51,680 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:37:51,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 39, 39] total 105 [2023-05-19 15:37:51,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917313653] [2023-05-19 15:37:51,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:37:51,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2023-05-19 15:37:51,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:37:51,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2023-05-19 15:37:51,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=10310, Unknown=0, NotChecked=0, Total=11130 [2023-05-19 15:37:51,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:51,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:37:51,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 1.8679245283018868) internal successors, (198), 105 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 15:37:51,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-19 15:37:51,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:37:51,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 15:37:51,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:37:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 15:37:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-19 15:37:59,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-05-19 15:38:00,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-05-19 15:38:00,057 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:38:00,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:38:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1886912064, now seen corresponding path program 17 times [2023-05-19 15:38:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:38:00,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033832456] [2023-05-19 15:38:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:38:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:38:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:38:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 87 proven. 231 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-19 15:38:00,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:38:00,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033832456] [2023-05-19 15:38:00,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033832456] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:38:00,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196212306] [2023-05-19 15:38:00,190 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 15:38:00,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:38:00,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:38:00,206 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:38:00,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-19 15:38:00,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-19 15:38:00,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:38:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 15:38:00,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:38:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 87 proven. 228 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 15:38:00,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:38:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 87 proven. 228 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 15:38:00,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196212306] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:38:00,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:38:00,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 9 [2023-05-19 15:38:00,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463645660] [2023-05-19 15:38:00,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:38:00,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 15:38:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:38:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 15:38:00,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-05-19 15:38:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:38:00,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:38:00,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:38:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:00,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-19 15:38:00,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-19 15:38:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-19 15:38:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:38:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-19 15:38:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 15:38:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 15:38:02,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-19 15:38:03,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-05-19 15:38:03,119 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 15:38:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:38:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1206863378, now seen corresponding path program 18 times [2023-05-19 15:38:03,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:38:03,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792494397] [2023-05-19 15:38:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:38:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:38:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:38:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 372 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:38:04,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:38:04,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792494397] [2023-05-19 15:38:04,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792494397] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:38:04,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17278631] [2023-05-19 15:38:04,709 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 15:38:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:38:04,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:38:04,712 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:38:04,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-19 15:38:04,757 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-19 15:38:04,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:38:04,759 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 129 conjunts are in the unsatisfiable core [2023-05-19 15:38:04,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:42:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,983 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:22,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:42:23,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:42:23,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 78 disjoint index pairs (out of 300 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 85 [2023-05-19 15:42:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 2 proven. 372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:42:23,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:43:51,169 WARN L233 SmtUtils]: Spent 58.84s on a formula simplification. DAG size of input: 2291 DAG size of output: 2287 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 15:43:51,176 INFO L356 Elim1Store]: treesize reduction 10, result has 99.8 percent of original size [2023-05-19 15:43:51,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 0 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 741 case distinctions, treesize of input 396 treesize of output 6156 Received shutdown request... [2023-05-19 15:49:05,575 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 15:49:05,575 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 15:49:05,575 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 15:49:05,589 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 15:49:05,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-19 15:49:05,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-05-19 15:49:05,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:05,801 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 77 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 31ms.. [2023-05-19 15:49:05,802 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-19 15:49:05,802 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-19 15:49:05,808 INFO L444 BasicCegarLoop]: Path program histogram: [18, 4, 1, 1] [2023-05-19 15:49:05,811 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 15:49:05,811 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 15:49:05,836 INFO L202 PluginConnector]: Adding new model channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 03:49:05 BasicIcfg [2023-05-19 15:49:05,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 15:49:05,836 INFO L158 Benchmark]: Toolchain (without parser) took 865134.45ms. Allocated memory was 215.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 171.9MB in the beginning and 757.9MB in the end (delta: -586.0MB). Peak memory consumption was 778.5MB. Max. memory is 8.0GB. [2023-05-19 15:49:05,838 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.40ms. Allocated memory is still 215.0MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 15:49:05,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.31ms. Allocated memory is still 215.0MB. Free memory was 171.8MB in the beginning and 170.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 15:49:05,842 INFO L158 Benchmark]: Boogie Preprocessor took 13.78ms. Allocated memory is still 215.0MB. Free memory was 170.3MB in the beginning and 169.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 15:49:05,842 INFO L158 Benchmark]: RCFGBuilder took 210.22ms. Allocated memory is still 215.0MB. Free memory was 169.3MB in the beginning and 159.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 15:49:05,842 INFO L158 Benchmark]: TraceAbstraction took 864886.28ms. Allocated memory was 215.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 158.5MB in the beginning and 757.9MB in the end (delta: -599.4MB). Peak memory consumption was 763.8MB. Max. memory is 8.0GB. [2023-05-19 15:49:05,845 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 0.40ms. Allocated memory is still 215.0MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.31ms. Allocated memory is still 215.0MB. Free memory was 171.8MB in the beginning and 170.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.78ms. Allocated memory is still 215.0MB. Free memory was 170.3MB in the beginning and 169.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 210.22ms. Allocated memory is still 215.0MB. Free memory was 169.3MB in the beginning and 159.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864886.28ms. Allocated memory was 215.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 158.5MB in the beginning and 757.9MB in the end (delta: -599.4MB). Peak memory consumption was 763.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5490, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 3000, dependent conditional: 2998, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2513, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 23, dependent conditional: 21, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2513, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 23, dependent conditional: 21, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 273, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 213, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 213, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 86, dependent conditional: 40, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2786, independent: 2364, independent conditional: 0, independent unconditional: 2364, dependent: 274, dependent conditional: 193, dependent unconditional: 81, unknown: 148, unknown conditional: 20, unknown unconditional: 128] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 60, Maximal queried relation: 23, Independence queries for same thread: 2977 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 41, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5490, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 3000, dependent conditional: 2998, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2513, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 23, dependent conditional: 21, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2513, independent: 2490, independent conditional: 2352, independent unconditional: 138, dependent: 23, dependent conditional: 21, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 273, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 213, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2786, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 296, dependent conditional: 213, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 86, dependent conditional: 40, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2786, independent: 2364, independent conditional: 0, independent unconditional: 2364, dependent: 274, dependent conditional: 193, dependent unconditional: 81, unknown: 148, unknown conditional: 20, unknown unconditional: 128] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 60, Maximal queried relation: 23, Independence queries for same thread: 2977 - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 77 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 31ms.. - TimeoutResultAtElement [Line: 57]: 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 77 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 31ms.. - TimeoutResultAtElement [Line: 57]: 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 77 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 31ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 30 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.7s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 55.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 659, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 140.8s InterpolantComputationTime, 1830 NumberOfCodeBlocks, 1830 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 2643 ConstructedInterpolants, 143 QuantifiedInterpolants, 94098 SizeOfPredicates, 130 NumberOfNonLiveVariables, 2226 ConjunctsInSsa, 987 ConjunctsInUnsatCore, 62 InterpolantComputations, 4 PerfectInterpolantSequences, 1303/7766 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