/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 18:13:46,900 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 18:13:46,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 18:13:47,001 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 18:13:47,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 18:13:47,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 18:13:47,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 18:13:47,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 18:13:47,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 18:13:47,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 18:13:47,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 18:13:47,003 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 18:13:47,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 18:13:47,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 18:13:47,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 18:13:47,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:13:47,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 18:13:47,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 18:13:47,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 18:13:47,007 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 18:13:47,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 18:13:47,007 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 18:13:47,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 18:13:47,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 18:13:47,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 18:13:47,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 18:13:47,202 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 18:13:47,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 18:13:47,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl [2023-05-03 18:13:47,204 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl' [2023-05-03 18:13:47,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 18:13:47,222 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 18:13:47,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 18:13:47,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 18:13:47,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 18:13:47,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,240 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 18:13:47,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 18:13:47,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 18:13:47,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 18:13:47,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 18:13:47,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 18:13:47,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 18:13:47,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 18:13:47,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 18:13:47,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/1) ... [2023-05-03 18:13:47,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:13:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:13:47,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-03 18:13:47,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-03 18:13:47,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 18:13:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 18:13:47,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 18:13:47,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 18:13:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 18:13:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 18:13:47,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 18:13:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 18:13:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 18:13:47,319 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 18:13:47,353 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 18:13:47,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 18:13:47,473 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 18:13:47,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 18:13:47,483 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 18:13:47,485 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:13:47 BoogieIcfgContainer [2023-05-03 18:13:47,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 18:13:47,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 18:13:47,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 18:13:47,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 18:13:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:13:47" (1/2) ... [2023-05-03 18:13:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7786a382 and model type queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:13:47, skipping insertion in model container [2023-05-03 18:13:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:13:47" (2/2) ... [2023-05-03 18:13:47,508 INFO L112 eAbstractionObserver]: Analyzing ICFG queue-add-2.wvr.bpl [2023-05-03 18:13:47,514 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 18:13:47,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 18:13:47,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 18:13:47,530 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 18:13:47,566 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-03 18:13:47,596 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:13:47,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 18:13:47,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:13:47,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 18:13:47,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 18:13:47,626 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 18:13:47,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 18:13:47,643 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;@3b9a21f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:13:47,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-03 18:13:47,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:13:47,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:13:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1855663554, now seen corresponding path program 1 times [2023-05-03 18:13:47,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:13:47,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803717851] [2023-05-03 18:13:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:13:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:13:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:13:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-03 18:13:48,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:13:48,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803717851] [2023-05-03 18:13:48,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803717851] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:13:48,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:13:48,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 18:13:48,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474322005] [2023-05-03 18:13:48,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:13:48,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 18:13:48,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:13:48,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 18:13:48,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-03 18:13:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:48,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:13:48,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:13:48,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:48,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 18:13:48,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:13:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:13:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash -834765700, now seen corresponding path program 2 times [2023-05-03 18:13:48,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:13:48,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818986929] [2023-05-03 18:13:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:13:48,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:13:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:13:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:48,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:13:48,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818986929] [2023-05-03 18:13:48,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818986929] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:13:48,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078135476] [2023-05-03 18:13:48,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:13:48,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:13:48,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:13:48,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:13:48,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 18:13:48,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:13:48,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:13:48,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-03 18:13:48,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:13:48,753 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 [2023-05-03 18:13:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:49,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:13:49,345 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:13:49,346 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 23 treesize of output 23 [2023-05-03 18:13:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:49,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078135476] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:13:49,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:13:49,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 33 [2023-05-03 18:13:49,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771820822] [2023-05-03 18:13:49,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:13:49,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-03 18:13:49,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:13:49,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-03 18:13:49,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2023-05-03 18:13:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:49,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:13:49,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.8235294117647058) internal successors, (62), 33 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) [2023-05-03 18:13:49,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:49,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:13:49,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 18:13:50,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-03 18:13:50,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:13:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:13:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash -445566914, now seen corresponding path program 3 times [2023-05-03 18:13:50,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:13:50,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244879456] [2023-05-03 18:13:50,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:13:50,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:13:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:13:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:50,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:13:50,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244879456] [2023-05-03 18:13:50,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244879456] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:13:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113386004] [2023-05-03 18:13:50,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:13:50,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:13:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:13:50,502 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:13:50,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 18:13:50,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-03 18:13:50,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:13:50,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-03 18:13:50,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:13:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:50,866 INFO L356 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2023-05-03 18:13:50,868 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2023-05-03 18:13:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:51,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:13:52,154 INFO L356 Elim1Store]: treesize reduction 16, result has 80.2 percent of original size [2023-05-03 18:13:52,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 114 [2023-05-03 18:13:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:52,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113386004] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:13:52,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:13:52,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 51 [2023-05-03 18:13:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476455448] [2023-05-03 18:13:52,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:13:52,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-03 18:13:52,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:13:52,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-03 18:13:52,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=2338, Unknown=0, NotChecked=0, Total=2652 [2023-05-03 18:13:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:52,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:13:52,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.6730769230769231) internal successors, (87), 51 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:13:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:13:52,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:13:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:13:54,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-03 18:13:54,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:13:54,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:13:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:13:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash -129558914, now seen corresponding path program 4 times [2023-05-03 18:13:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:13:54,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483515884] [2023-05-03 18:13:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:13:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:13:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:13:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 51 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-03 18:13:55,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:13:55,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483515884] [2023-05-03 18:13:55,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483515884] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:13:55,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408618711] [2023-05-03 18:13:55,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:13:55,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:13:55,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:13:55,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:13:55,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 18:13:55,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:13:55,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:13:55,478 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-03 18:13:55,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:13:56,190 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:13:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:13:56,194 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:13:56,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:13:56,196 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 52 treesize of output 22 [2023-05-03 18:13:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:56,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:13:57,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:13:57,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 78 treesize of output 188 [2023-05-03 18:13:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:13:57,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408618711] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:13:57,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:13:57,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 24] total 59 [2023-05-03 18:13:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217090675] [2023-05-03 18:13:57,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:13:57,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-03 18:13:57,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:13:57,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-03 18:13:57,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=3219, Unknown=0, NotChecked=0, Total=3540 [2023-05-03 18:13:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:13:57,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:13:57,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.8833333333333333) internal successors, (113), 59 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:13:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:13:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:13:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:13:57,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:14:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-03 18:14:00,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:00,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:00,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:00,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:00,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1957521192, now seen corresponding path program 5 times [2023-05-03 18:14:00,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:00,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849480153] [2023-05-03 18:14:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:00,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 9 proven. 79 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-03 18:14:01,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:01,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849480153] [2023-05-03 18:14:01,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849480153] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:01,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52057458] [2023-05-03 18:14:01,762 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:14:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:01,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:01,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 18:14:01,814 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-03 18:14:01,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:01,815 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-03 18:14:01,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,259 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:03,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:03,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:03,274 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 74 treesize of output 30 [2023-05-03 18:14:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:03,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:05,038 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:05,039 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 114 treesize of output 396 [2023-05-03 18:14:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:05,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52057458] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:05,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:05,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 32, 32] total 75 [2023-05-03 18:14:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538039157] [2023-05-03 18:14:05,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:05,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-03 18:14:05,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:05,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-03 18:14:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=5208, Unknown=0, NotChecked=0, Total=5700 [2023-05-03 18:14:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:05,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:05,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 1.855263157894737) internal successors, (141), 75 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:05,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:05,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 18:14:05,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:05,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-03 18:14:05,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:09,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:09,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:09,930 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:09,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:09,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1224352605, now seen corresponding path program 6 times [2023-05-03 18:14:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:09,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130583409] [2023-05-03 18:14:09,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:09,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 54 proven. 75 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-05-03 18:14:10,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:10,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130583409] [2023-05-03 18:14:10,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130583409] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:10,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882117591] [2023-05-03 18:14:10,057 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:14:10,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:10,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:10,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:10,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 18:14:10,104 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-03 18:14:10,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:10,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 18:14:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 54 proven. 62 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-05-03 18:14:10,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 54 proven. 62 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-05-03 18:14:10,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882117591] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:10,304 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:10,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2023-05-03 18:14:10,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316291046] [2023-05-03 18:14:10,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:10,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 18:14:10,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:10,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 18:14:10,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-05-03 18:14:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:10,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:10,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 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) [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:10,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:10,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:10,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:10,545 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:10,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash 490012550, now seen corresponding path program 7 times [2023-05-03 18:14:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:10,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663729396] [2023-05-03 18:14:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 12 proven. 143 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-05-03 18:14:11,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:11,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663729396] [2023-05-03 18:14:11,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663729396] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:11,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748003175] [2023-05-03 18:14:11,745 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:14:11,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:11,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:11,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 18:14:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:11,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 106 conjunts are in the unsatisfiable core [2023-05-03 18:14:11,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:13,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:13,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:13,972 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 100 treesize of output 38 [2023-05-03 18:14:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:14,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:17,230 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:17,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 150 treesize of output 684 [2023-05-03 18:14:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:17,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748003175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:17,797 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:17,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 40, 40] total 95 [2023-05-03 18:14:17,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800539161] [2023-05-03 18:14:17,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:17,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-05-03 18:14:17,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:17,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-05-03 18:14:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=664, Invalid=8456, Unknown=0, NotChecked=0, Total=9120 [2023-05-03 18:14:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:17,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:17,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 1.8125) internal successors, (174), 95 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:17,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-03 18:14:24,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:24,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:24,235 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash 81905529, now seen corresponding path program 8 times [2023-05-03 18:14:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:24,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989499655] [2023-05-03 18:14:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-05-03 18:14:24,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:24,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989499655] [2023-05-03 18:14:24,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989499655] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:24,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532747119] [2023-05-03 18:14:24,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:14:24,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:24,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:24,493 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:24,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 18:14:24,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:14:24,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:24,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-03 18:14:24,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:24,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:24,695 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:14:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-03 18:14:24,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:24,739 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:14:24,739 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 15 treesize of output 14 [2023-05-03 18:14:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-03 18:14:24,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532747119] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:24,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:24,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2023-05-03 18:14:24,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311991210] [2023-05-03 18:14:24,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:24,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 18:14:24,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:24,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 18:14:24,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-05-03 18:14:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:24,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:24,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 15 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-05-03 18:14:24,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:14:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:14:25,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:25,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-03 18:14:25,254 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash 25460512, now seen corresponding path program 9 times [2023-05-03 18:14:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:25,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979000985] [2023-05-03 18:14:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:25,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 15 proven. 232 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-05-03 18:14:26,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:26,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979000985] [2023-05-03 18:14:26,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979000985] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:26,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008659540] [2023-05-03 18:14:26,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:14:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:26,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:26,888 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:26,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 18:14:26,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-03 18:14:26,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:26,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-03 18:14:26,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:30,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,601 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,614 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,615 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:30,616 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:30,617 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 122 treesize of output 46 [2023-05-03 18:14:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:30,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:35,686 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:35,687 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 186 treesize of output 1052 [2023-05-03 18:14:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:36,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008659540] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:36,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:36,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 48, 48] total 116 [2023-05-03 18:14:36,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973706068] [2023-05-03 18:14:36,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:36,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2023-05-03 18:14:36,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:36,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2023-05-03 18:14:36,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=832, Invalid=12740, Unknown=0, NotChecked=0, Total=13572 [2023-05-03 18:14:36,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:36,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:36,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 1.7863247863247864) internal successors, (209), 116 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:14:36,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:14:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:14:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-03 18:14:46,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:46,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:46,934 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash -372084362, now seen corresponding path program 10 times [2023-05-03 18:14:46,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:46,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953077800] [2023-05-03 18:14:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-03 18:14:47,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953077800] [2023-05-03 18:14:47,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953077800] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33396969] [2023-05-03 18:14:47,189 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:14:47,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:47,190 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:47,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 18:14:47,232 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:14:47,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:47,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 44 conjunts are in the unsatisfiable core [2023-05-03 18:14:47,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:47,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:47,417 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:14:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-05-03 18:14:47,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:47,465 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:14:47,465 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 15 treesize of output 14 [2023-05-03 18:14:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-05-03 18:14:47,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33396969] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:47,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:47,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2023-05-03 18:14:47,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181828260] [2023-05-03 18:14:47,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:47,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 18:14:47,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:47,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 18:14:47,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-05-03 18:14:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:47,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:47,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-03 18:14:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-03 18:14:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:14:47,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:47,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-03 18:14:47,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:14:47,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash -66423504, now seen corresponding path program 11 times [2023-05-03 18:14:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:47,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998253308] [2023-05-03 18:14:47,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 18 proven. 259 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-05-03 18:14:49,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:49,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998253308] [2023-05-03 18:14:49,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998253308] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:49,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329383605] [2023-05-03 18:14:49,536 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:14:49,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:49,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:49,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 18:14:49,577 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-03 18:14:49,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:49,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 143 conjunts are in the unsatisfiable core [2023-05-03 18:14:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:54,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:54,114 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 134 treesize of output 50 [2023-05-03 18:14:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:54,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:59,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,972 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:59,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,003 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:00,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:15:00,324 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 211 treesize of output 719 [2023-05-03 18:15:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:15:00,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329383605] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:00,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:00,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 54, 54] total 130 [2023-05-03 18:15:00,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470751302] [2023-05-03 18:15:00,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:00,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-05-03 18:15:00,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-05-03 18:15:00,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=15871, Unknown=0, NotChecked=0, Total=17030 [2023-05-03 18:15:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:00,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:00,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.748091603053435) internal successors, (229), 130 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-03 18:15:14,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:14,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-03 18:15:14,627 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:14,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2890625, now seen corresponding path program 12 times [2023-05-03 18:15:14,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:14,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309135822] [2023-05-03 18:15:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 326 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-05-03 18:15:14,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:14,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309135822] [2023-05-03 18:15:14,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309135822] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:14,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263986459] [2023-05-03 18:15:14,951 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:15:14,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:14,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:14,952 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:14,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 18:15:15,000 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-03 18:15:15,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:15,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-03 18:15:15,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:15,255 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-05-03 18:15:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-03 18:15:15,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:15,355 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:15:15,355 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 15 treesize of output 14 [2023-05-03 18:15:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-03 18:15:15,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263986459] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:15,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:15,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 23 [2023-05-03 18:15:15,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118736136] [2023-05-03 18:15:15,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:15,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-03 18:15:15,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:15,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-03 18:15:15,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2023-05-03 18:15:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:15,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:15,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:15,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:15,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-03 18:15:15,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:15,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:15,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-03 18:15:15,969 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:15,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:15,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1796590189, now seen corresponding path program 13 times [2023-05-03 18:15:15,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:15,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093627232] [2023-05-03 18:15:15,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:15,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 326 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-05-03 18:15:16,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:16,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093627232] [2023-05-03 18:15:16,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093627232] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:16,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047142823] [2023-05-03 18:15:16,272 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:15:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:16,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:16,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-03 18:15:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:16,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjunts are in the unsatisfiable core [2023-05-03 18:15:16,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:16,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:16,574 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:15:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-03 18:15:16,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:16,657 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:15:16,657 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 15 treesize of output 14 [2023-05-03 18:15:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-03 18:15:16,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047142823] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:16,788 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:16,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 23 [2023-05-03 18:15:16,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283814576] [2023-05-03 18:15:16,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:16,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-03 18:15:16,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:16,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-03 18:15:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2023-05-03 18:15:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:16,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:16,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:16,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:17,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-03 18:15:17,182 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:17,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:17,182 INFO L85 PathProgramCache]: Analyzing trace with hash -790705075, now seen corresponding path program 14 times [2023-05-03 18:15:17,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:17,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137191463] [2023-05-03 18:15:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 107 proven. 286 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-05-03 18:15:17,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:17,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137191463] [2023-05-03 18:15:17,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137191463] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:17,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950323415] [2023-05-03 18:15:17,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:15:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:17,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:17,339 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:17,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-03 18:15:17,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:15:17,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:17,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-03 18:15:17,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 107 proven. 268 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2023-05-03 18:15:17,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 107 proven. 268 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2023-05-03 18:15:17,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950323415] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:17,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:17,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 8 [2023-05-03 18:15:17,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908346416] [2023-05-03 18:15:17,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:17,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-03 18:15:17,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-03 18:15:17,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-05-03 18:15:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:17,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:17,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:17,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:17,918 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:17,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:17,918 INFO L85 PathProgramCache]: Analyzing trace with hash -756036560, now seen corresponding path program 15 times [2023-05-03 18:15:17,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:17,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930526005] [2023-05-03 18:15:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 21 proven. 376 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-05-03 18:15:19,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:19,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930526005] [2023-05-03 18:15:19,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930526005] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:19,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283126498] [2023-05-03 18:15:19,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:15:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:19,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:19,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-03 18:15:20,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-05-03 18:15:20,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:20,021 WARN L261 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 166 conjunts are in the unsatisfiable core [2023-05-03 18:15:20,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,315 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:26,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:26,319 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 158 treesize of output 58 [2023-05-03 18:15:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:15:26,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:36,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:15:36,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 247 treesize of output 1757 [2023-05-03 18:15:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:15:38,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283126498] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:38,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:38,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 62, 62] total 149 [2023-05-03 18:15:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504280019] [2023-05-03 18:15:38,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:38,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2023-05-03 18:15:38,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2023-05-03 18:15:38,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1175, Invalid=21175, Unknown=0, NotChecked=0, Total=22350 [2023-05-03 18:15:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:38,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:38,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 1.74) internal successors, (261), 149 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:38,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-03 18:15:57,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-03 18:15:57,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-03 18:15:57,685 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:57,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:57,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1147808066, now seen corresponding path program 16 times [2023-05-03 18:15:57,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:57,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395513702] [2023-05-03 18:15:57,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:57,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-05-03 18:15:57,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:57,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395513702] [2023-05-03 18:15:57,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395513702] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:57,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805029448] [2023-05-03 18:15:57,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:15:57,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:57,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:57,987 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:57,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-03 18:15:58,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:15:58,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:58,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-03 18:15:58,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:58,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:58,304 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:15:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-05-03 18:15:58,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:58,345 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:15:58,345 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 15 treesize of output 14 [2023-05-03 18:15:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-05-03 18:15:58,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805029448] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:58,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:58,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 18 [2023-05-03 18:15:58,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351321988] [2023-05-03 18:15:58,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:58,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-03 18:15:58,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:58,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-03 18:15:58,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-05-03 18:15:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:58,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:58,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 18 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:58,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:58,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:58,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:58,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-03 18:15:58,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-03 18:15:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:15:58,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:58,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-03 18:15:58,889 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:15:58,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash 232264312, now seen corresponding path program 17 times [2023-05-03 18:15:58,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:58,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074578173] [2023-05-03 18:15:58,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:16:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 24 proven. 514 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-05-03 18:16:01,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:16:01,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074578173] [2023-05-03 18:16:01,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074578173] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:16:01,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258918192] [2023-05-03 18:16:01,423 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:16:01,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:16:01,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:16:01,424 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:16:01,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-03 18:16:01,478 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-03 18:16:01,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:16:01,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 207 conjunts are in the unsatisfiable core [2023-05-03 18:16:01,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:16:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,557 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:12,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:12,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 29 select indices, 29 select index equivalence classes, 105 disjoint index pairs (out of 406 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 66 [2023-05-03 18:16:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:16:13,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:16:32,002 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:32,882 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:16:32,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 339 treesize of output 1299 [2023-05-03 18:16:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:16:33,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258918192] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:16:33,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:16:33,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 86, 86] total 204 [2023-05-03 18:16:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246886522] [2023-05-03 18:16:33,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:16:33,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2023-05-03 18:16:33,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:16:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2023-05-03 18:16:33,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2150, Invalid=39670, Unknown=0, NotChecked=0, Total=41820 [2023-05-03 18:16:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:16:33,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:16:33,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 1.4634146341463414) internal successors, (300), 204 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:16:33,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-03 18:16:33,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:16:33,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:17:11,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:17:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-03 18:17:11,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-03 18:17:11,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-03 18:17:11,335 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:17:11,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:17:11,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1189119506, now seen corresponding path program 18 times [2023-05-03 18:17:11,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:17:11,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338168179] [2023-05-03 18:17:11,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:17:11,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:17:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:17:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-05-03 18:17:11,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:17:11,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338168179] [2023-05-03 18:17:11,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338168179] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:17:11,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278256014] [2023-05-03 18:17:11,641 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:17:11,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:17:11,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:17:11,642 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:17:11,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-03 18:17:11,693 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2023-05-03 18:17:11,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:17:11,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 64 conjunts are in the unsatisfiable core [2023-05-03 18:17:11,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:17:11,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:11,973 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:17:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-05-03 18:17:11,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:17:12,012 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:17:12,012 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 15 treesize of output 14 [2023-05-03 18:17:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-05-03 18:17:12,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278256014] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:17:12,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:17:12,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 18 [2023-05-03 18:17:12,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334590125] [2023-05-03 18:17:12,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:17:12,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-03 18:17:12,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:17:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-03 18:17:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-05-03 18:17:12,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:17:12,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:17:12,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.2631578947368425) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-03 18:17:12,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:17:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:17:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:17:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-03 18:17:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:12,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-03 18:17:12,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-03 18:17:12,565 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:17:12,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:17:12,565 INFO L85 PathProgramCache]: Analyzing trace with hash 494415308, now seen corresponding path program 19 times [2023-05-03 18:17:12,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:17:12,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621252266] [2023-05-03 18:17:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:17:12,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:17:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:17:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 27 proven. 555 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-05-03 18:17:15,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:17:15,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621252266] [2023-05-03 18:17:15,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621252266] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:17:15,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271678997] [2023-05-03 18:17:15,274 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:17:15,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:17:15,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:17:15,275 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:17:15,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-03 18:17:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:17:15,335 WARN L261 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 202 conjunts are in the unsatisfiable core [2023-05-03 18:17:15,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:17:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,123 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,133 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,134 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:17:25,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:17:25,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 120 disjoint index pairs (out of 465 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 70 [2023-05-03 18:17:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:17:25,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:17:40,447 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:17:40,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 294 treesize of output 2636 [2023-05-03 18:17:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:17:43,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271678997] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:17:43,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:17:43,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 72, 72] total 174 [2023-05-03 18:17:43,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762445487] [2023-05-03 18:17:43,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:17:43,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2023-05-03 18:17:43,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:17:43,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2023-05-03 18:17:43,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1519, Invalid=28931, Unknown=0, NotChecked=0, Total=30450 [2023-05-03 18:17:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:17:43,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:17:43,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 1.7657142857142858) internal successors, (309), 174 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-03 18:17:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:17:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:11,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-03 18:18:11,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-03 18:18:11,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:11,903 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:18:11,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1011434077, now seen corresponding path program 20 times [2023-05-03 18:18:11,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:11,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914154053] [2023-05-03 18:18:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 654 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2023-05-03 18:18:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:12,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914154053] [2023-05-03 18:18:12,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914154053] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:12,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208690472] [2023-05-03 18:18:12,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:18:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:12,329 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:18:12,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-03 18:18:12,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:18:12,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:12,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 76 conjunts are in the unsatisfiable core [2023-05-03 18:18:12,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:12,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:12,760 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:18:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-05-03 18:18:12,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:12,893 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:18:12,893 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 15 treesize of output 14 [2023-05-03 18:18:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-05-03 18:18:13,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208690472] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:13,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:13,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 31 [2023-05-03 18:18:13,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934501762] [2023-05-03 18:18:13,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:13,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 18:18:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 18:18:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2023-05-03 18:18:13,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:13,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:13,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.0) internal successors, (128), 31 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:13,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-03 18:18:13,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:13,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-05-03 18:18:13,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:13,651 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:18:13,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:13,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1826805137, now seen corresponding path program 21 times [2023-05-03 18:18:13,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:13,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969736827] [2023-05-03 18:18:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 654 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2023-05-03 18:18:14,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:14,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969736827] [2023-05-03 18:18:14,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969736827] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:14,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420256803] [2023-05-03 18:18:14,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:18:14,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:14,087 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:18:14,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-03 18:18:14,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-05-03 18:18:14,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:14,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 76 conjunts are in the unsatisfiable core [2023-05-03 18:18:14,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:14,551 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:14,551 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:18:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-05-03 18:18:14,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:14,697 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:18:14,697 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 15 treesize of output 14 [2023-05-03 18:18:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-05-03 18:18:14,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420256803] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:14,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:14,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 31 [2023-05-03 18:18:14,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763723119] [2023-05-03 18:18:14,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:14,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 18:18:14,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:14,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 18:18:14,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2023-05-03 18:18:14,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:14,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:14,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.0) internal successors, (128), 31 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:18:15,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-03 18:18:15,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:15,409 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:18:15,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:15,409 INFO L85 PathProgramCache]: Analyzing trace with hash 564995369, now seen corresponding path program 22 times [2023-05-03 18:18:15,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:15,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422980927] [2023-05-03 18:18:15,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:15,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 174 proven. 572 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-05-03 18:18:15,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:15,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422980927] [2023-05-03 18:18:15,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422980927] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:15,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252785432] [2023-05-03 18:18:15,637 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:18:15,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:15,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:15,638 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) [2023-05-03 18:18:15,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-03 18:18:15,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:18:15,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:15,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-03 18:18:15,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 174 proven. 548 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-05-03 18:18:15,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 174 proven. 548 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-05-03 18:18:16,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252785432] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:16,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:16,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 10 [2023-05-03 18:18:16,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911157362] [2023-05-03 18:18:16,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:16,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-03 18:18:16,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:16,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-03 18:18:16,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-05-03 18:18:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:16,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:16,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:18:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:18:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:18:16,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-05-03 18:18:16,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:16,317 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:18:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:16,317 INFO L85 PathProgramCache]: Analyzing trace with hash -492506356, now seen corresponding path program 23 times [2023-05-03 18:18:16,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:16,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348733729] [2023-05-03 18:18:16,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:16,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 30 proven. 721 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-05-03 18:18:19,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:19,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348733729] [2023-05-03 18:18:19,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348733729] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:19,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322375718] [2023-05-03 18:18:19,770 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:18:19,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:19,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:19,771 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:18:19,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-05-03 18:18:19,827 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-05-03 18:18:19,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:19,830 WARN L261 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 227 conjunts are in the unsatisfiable core [2023-05-03 18:18:19,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:18:33,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:33,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 153 disjoint index pairs (out of 595 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 78 [2023-05-03 18:18:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:18:33,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:51,367 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,368 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,398 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,398 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,398 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,402 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,473 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,478 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,478 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,481 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,482 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,485 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,486 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,490 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,492 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,493 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,502 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,503 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:18:51,507 INFO L244 Elim1Store]: Index analysis took 141 ms [2023-05-03 18:18:52,909 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:18:52,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 459 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 171 case distinctions, treesize of input 337 treesize of output 1797 [2023-05-03 18:18:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:18:54,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322375718] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:54,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:54,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 82, 82] total 201 [2023-05-03 18:18:54,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653392260] [2023-05-03 18:18:54,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:54,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2023-05-03 18:18:54,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2023-05-03 18:18:54,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=38541, Unknown=0, NotChecked=0, Total=40602 [2023-05-03 18:18:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:54,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:54,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 1.7227722772277227) internal successors, (348), 201 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:18:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:18:54,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:19:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:19:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:19:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-03 18:19:32,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-05-03 18:19:33,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:33,044 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:19:33,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:19:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1648208806, now seen corresponding path program 24 times [2023-05-03 18:19:33,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:19:33,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48876395] [2023-05-03 18:19:33,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:19:33,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:19:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:19:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 757 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2023-05-03 18:19:33,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:19:33,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48876395] [2023-05-03 18:19:33,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48876395] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:19:33,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775446209] [2023-05-03 18:19:33,517 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:19:33,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:19:33,518 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:19:33,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-05-03 18:19:33,586 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-05-03 18:19:33,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:19:33,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-03 18:19:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:19:34,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:34,047 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-05-03 18:19:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 721 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-05-03 18:19:34,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:19:34,186 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:19:34,186 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 15 treesize of output 14 [2023-05-03 18:19:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 721 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-05-03 18:19:34,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775446209] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:19:34,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:19:34,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 32 [2023-05-03 18:19:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562241162] [2023-05-03 18:19:34,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:19:34,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-03 18:19:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:19:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-03 18:19:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2023-05-03 18:19:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:19:34,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:19:34,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.151515151515151) internal successors, (137), 32 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:19:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:19:34,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-03 18:19:34,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:19:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:19:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 18:19:34,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-05-03 18:19:35,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:35,050 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:19:35,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:19:35,050 INFO L85 PathProgramCache]: Analyzing trace with hash -191480724, now seen corresponding path program 25 times [2023-05-03 18:19:35,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:19:35,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956983181] [2023-05-03 18:19:35,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:19:35,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:19:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:19:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 755 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-05-03 18:19:35,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:19:35,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956983181] [2023-05-03 18:19:35,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956983181] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:19:35,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255054732] [2023-05-03 18:19:35,527 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:19:35,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:19:35,528 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:19:35,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-05-03 18:19:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:19:35,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-03 18:19:35,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:19:35,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:35,994 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:19:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 719 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-05-03 18:19:36,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:19:36,131 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:19:36,131 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 15 treesize of output 14 [2023-05-03 18:19:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 719 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-05-03 18:19:36,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255054732] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:19:36,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:19:36,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 31 [2023-05-03 18:19:36,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882173213] [2023-05-03 18:19:36,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:19:36,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 18:19:36,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:19:36,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 18:19:36,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2023-05-03 18:19:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:19:36,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:19:36,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.1875) internal successors, (134), 31 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:19:36,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:19:36,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 18:19:36,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:19:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:19:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 18:19:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:19:36,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-05-03 18:19:36,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-05-03 18:19:36,847 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:19:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:19:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 220654118, now seen corresponding path program 26 times [2023-05-03 18:19:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:19:36,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145559785] [2023-05-03 18:19:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:19:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:19:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:19:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 33 proven. 908 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2023-05-03 18:19:41,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:19:41,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145559785] [2023-05-03 18:19:41,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145559785] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:19:41,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399038477] [2023-05-03 18:19:41,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:19:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:19:41,186 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:19:41,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-05-03 18:19:41,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:19:41,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:19:41,243 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 250 conjunts are in the unsatisfiable core [2023-05-03 18:19:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:19:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,538 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,552 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,596 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,601 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,613 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,626 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:58,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:58,628 INFO L244 Elim1Store]: Index analysis took 131 ms [2023-05-03 18:19:58,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 190 disjoint index pairs (out of 741 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 86 [2023-05-03 18:19:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:19:59,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:20:26,789 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 1339 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 18:20:26,793 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:20:26,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 366 treesize of output 4092 [2023-05-03 18:20:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:20:35,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399038477] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:20:35,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:20:35,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 88, 88] total 216 [2023-05-03 18:20:35,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021112857] [2023-05-03 18:20:35,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:20:35,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 217 states [2023-05-03 18:20:35,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:20:35,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2023-05-03 18:20:35,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1987, Invalid=44885, Unknown=0, NotChecked=0, Total=46872 [2023-05-03 18:20:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:20:35,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:20:35,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 217 states, 217 states have (on average 1.7465437788018434) internal successors, (379), 216 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:20:35,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:20,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:21,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-05-03 18:21:21,151 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:21:21,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:21:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1161754761, now seen corresponding path program 27 times [2023-05-03 18:21:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:21:21,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176440062] [2023-05-03 18:21:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:21:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:21:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:21:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-05-03 18:21:21,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:21:21,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176440062] [2023-05-03 18:21:21,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176440062] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:21:21,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258287210] [2023-05-03 18:21:21,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:21:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:21:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:21:21,736 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:21:21,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-05-03 18:21:21,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2023-05-03 18:21:21,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:21:21,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 94 conjunts are in the unsatisfiable core [2023-05-03 18:21:21,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:21:22,347 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:21:22,347 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-05-03 18:21:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 996 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2023-05-03 18:21:22,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:21:22,550 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:21:22,550 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 15 treesize of output 14 [2023-05-03 18:21:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 996 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2023-05-03 18:21:22,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258287210] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:21:22,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:21:22,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 39 [2023-05-03 18:21:22,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284159246] [2023-05-03 18:21:22,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:21:22,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-03 18:21:22,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:21:22,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-03 18:21:22,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1448, Unknown=0, NotChecked=0, Total=1560 [2023-05-03 18:21:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:22,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:21:22,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.95) internal successors, (158), 39 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:21:22,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:22,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 18:21:23,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:23,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-05-03 18:21:23,599 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:21:23,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:21:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash -213623, now seen corresponding path program 28 times [2023-05-03 18:21:23,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:21:23,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754998977] [2023-05-03 18:21:23,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:21:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:21:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:21:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-05-03 18:21:24,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:21:24,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754998977] [2023-05-03 18:21:24,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754998977] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:21:24,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559155418] [2023-05-03 18:21:24,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:21:24,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:21:24,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:21:24,176 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:21:24,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-05-03 18:21:24,227 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:21:24,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:21:24,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 92 conjunts are in the unsatisfiable core [2023-05-03 18:21:24,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:21:24,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:21:24,726 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 18:21:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 996 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2023-05-03 18:21:24,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:21:24,927 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-03 18:21:24,927 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 15 treesize of output 14 [2023-05-03 18:21:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 996 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2023-05-03 18:21:25,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559155418] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:21:25,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:21:25,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 39 [2023-05-03 18:21:25,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213654789] [2023-05-03 18:21:25,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:21:25,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-03 18:21:25,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:21:25,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-03 18:21:25,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1448, Unknown=0, NotChecked=0, Total=1560 [2023-05-03 18:21:25,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:25,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:21:25,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.95) internal successors, (158), 39 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 18:21:25,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 18:21:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 18:21:25,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:25,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-05-03 18:21:25,844 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:21:25,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:21:25,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1707278781, now seen corresponding path program 29 times [2023-05-03 18:21:25,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:21:25,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943760564] [2023-05-03 18:21:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:21:25,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:21:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:21:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 252 proven. 897 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-05-03 18:21:26,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:21:26,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943760564] [2023-05-03 18:21:26,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943760564] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:21:26,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273669097] [2023-05-03 18:21:26,166 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:21:26,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:21:26,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:21:26,167 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:21:26,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-05-03 18:21:26,241 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-05-03 18:21:26,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:21:26,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-03 18:21:26,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:21:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 252 proven. 869 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-05-03 18:21:26,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:21:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 252 proven. 869 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-05-03 18:21:26,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273669097] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:21:26,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:21:26,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 12 [2023-05-03 18:21:26,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677519077] [2023-05-03 18:21:26,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:21:26,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-03 18:21:26,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:21:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-03 18:21:26,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-05-03 18:21:26,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:26,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:21:26,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-03 18:21:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 18:21:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 18:21:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 18:21:26,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:26,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-05-03 18:21:26,939 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 18:21:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:21:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash -521049818, now seen corresponding path program 30 times [2023-05-03 18:21:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:21:26,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303743018] [2023-05-03 18:21:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:21:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:21:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:21:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 36 proven. 1116 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2023-05-03 18:21:32,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:21:32,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303743018] [2023-05-03 18:21:32,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303743018] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:21:32,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264710015] [2023-05-03 18:21:32,104 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:21:32,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:21:32,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:21:32,105 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:21:32,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-05-03 18:21:32,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2023-05-03 18:21:32,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:21:32,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 275 conjunts are in the unsatisfiable core [2023-05-03 18:21:32,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:22:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,636 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,645 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,778 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,790 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:22:56,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:22:56,809 INFO L244 Elim1Store]: Index analysis took 190 ms [2023-05-03 18:22:56,834 INFO L356 Elim1Store]: treesize reduction 209, result has 3.7 percent of original size [2023-05-03 18:22:56,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 43 select indices, 43 select index equivalence classes, 231 disjoint index pairs (out of 903 index pairs), introduced 23 new quantified variables, introduced 42 case distinctions, treesize of input 262 treesize of output 102 [2023-05-03 18:22:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 0 proven. 1750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:22:57,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:25:11,306 WARN L233 SmtUtils]: Spent 25.69s on a formula simplification. DAG size of input: 2173 DAG size of output: 1523 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 18:25:11,309 INFO L356 Elim1Store]: treesize reduction 2100, result has 65.5 percent of original size [2023-05-03 18:25:11,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 46 select indices, 46 select index equivalence classes, 0 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 1035 case distinctions, treesize of input 434 treesize of output 4160 [2023-05-03 18:25:34,944 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:35,941 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:36,183 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:36,355 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 18:25:36,653 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 18:25:36,807 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:36,871 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 18:25:37,020 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-03 18:25:37,424 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 18:25:37,819 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:37,949 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:38,555 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 18:25:39,337 WARN L718 sPolynomialRelations]: Constructing 131072(two to the power of 17 dual juncts. [2023-05-03 18:25:49,896 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:25:55,087 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:26:00,030 WARN L718 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-05-03 18:26:02,634 WARN L718 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2023-05-03 18:26:04,110 WARN L718 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-05-03 18:26:06,618 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:26:11,706 WARN L718 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-05-03 18:26:14,415 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:26:19,378 WARN L718 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-05-03 18:26:22,036 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:26:27,328 WARN L718 sPolynomialRelations]: Constructing 131072(two to the power of 17 dual juncts. [2023-05-03 18:26:37,990 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2023-05-03 18:26:43,042 WARN L718 sPolynomialRelations]: Constructing 131072(two to the power of 17 dual juncts. [2023-05-03 18:26:53,319 WARN L718 sPolynomialRelations]: Constructing 131072(two to the power of 17 dual juncts. [2023-05-03 18:27:04,093 WARN L718 sPolynomialRelations]: Constructing 262144(two to the power of 18 dual juncts. Received shutdown request... [2023-05-03 18:27:07,782 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-03 18:27:07,783 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 18:27:07,783 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 18:27:07,787 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 18:27:07,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-05-03 18:27:07,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:27:07,982 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 174 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 44627 of 262144 xjuncts. [2023-05-03 18:27:07,984 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-03 18:27:07,984 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-03 18:27:07,988 INFO L444 BasicCegarLoop]: Path program histogram: [30] [2023-05-03 18:27:07,990 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 18:27:07,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 18:27:07,992 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:27:07 BasicIcfg [2023-05-03 18:27:07,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 18:27:07,992 INFO L158 Benchmark]: Toolchain (without parser) took 800770.25ms. Allocated memory was 127.9MB in the beginning and 879.8MB in the end (delta: 751.8MB). Free memory was 89.5MB in the beginning and 621.9MB in the end (delta: -532.4MB). Peak memory consumption was 677.4MB. Max. memory is 8.0GB. [2023-05-03 18:27:07,992 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 90.5MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 18:27:07,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.60ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:27:07,993 INFO L158 Benchmark]: Boogie Preprocessor took 14.77ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 86.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:27:07,993 INFO L158 Benchmark]: RCFGBuilder took 227.21ms. Allocated memory is still 127.9MB. Free memory was 86.7MB in the beginning and 103.5MB in the end (delta: -16.7MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2023-05-03 18:27:07,996 INFO L158 Benchmark]: TraceAbstraction took 800505.35ms. Allocated memory was 127.9MB in the beginning and 879.8MB in the end (delta: 751.8MB). Free memory was 102.2MB in the beginning and 621.9MB in the end (delta: -519.6MB). Peak memory consumption was 688.2MB. Max. memory is 8.0GB. [2023-05-03 18:27:07,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 90.5MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.60ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.77ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 86.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 227.21ms. Allocated memory is still 127.9MB. Free memory was 86.7MB in the beginning and 103.5MB in the end (delta: -16.7MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * TraceAbstraction took 800505.35ms. Allocated memory was 127.9MB in the beginning and 879.8MB in the end (delta: 751.8MB). Free memory was 102.2MB in the beginning and 621.9MB in the end (delta: -519.6MB). Peak memory consumption was 688.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9992, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 5249, dependent conditional: 5247, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5318, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 575, dependent conditional: 573, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5318, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 575, dependent conditional: 573, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 10023, dependent unconditional: 772, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 9338, dependent unconditional: 1457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 9338, dependent unconditional: 1457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 702, independent: 389, independent conditional: 159, independent unconditional: 230, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 702, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 475, dependent conditional: 0, dependent unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 475, independent: 162, independent conditional: 159, independent unconditional: 3, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 475, independent: 162, independent conditional: 159, independent unconditional: 3, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 879, independent: 257, independent conditional: 216, independent unconditional: 41, dependent: 623, dependent conditional: 615, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15538, independent: 4354, independent conditional: 38, independent unconditional: 4316, dependent: 10482, dependent conditional: 9027, dependent unconditional: 1455, unknown: 702, unknown conditional: 470, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 389, Positive conditional cache size: 159, Positive unconditional cache size: 230, Negative cache size: 313, Negative conditional cache size: 311, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 685, Maximal queried relation: 29, Independence queries for same thread: 4674 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 47, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 266, independent: 264, independent conditional: 0, independent unconditional: 264, 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: 9992, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 5249, dependent conditional: 5247, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5318, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 575, dependent conditional: 573, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5318, independent: 4743, independent conditional: 4479, independent unconditional: 264, dependent: 575, dependent conditional: 573, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 10023, dependent unconditional: 772, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 9338, dependent unconditional: 1457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15538, independent: 4743, independent conditional: 197, independent unconditional: 4546, dependent: 10795, dependent conditional: 9338, dependent unconditional: 1457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 702, independent: 389, independent conditional: 159, independent unconditional: 230, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 702, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 475, dependent conditional: 0, dependent unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 475, independent: 162, independent conditional: 159, independent unconditional: 3, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 475, independent: 162, independent conditional: 159, independent unconditional: 3, dependent: 313, dependent conditional: 311, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 879, independent: 257, independent conditional: 216, independent unconditional: 41, dependent: 623, dependent conditional: 615, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15538, independent: 4354, independent conditional: 38, independent unconditional: 4316, dependent: 10482, dependent conditional: 9027, dependent unconditional: 1455, unknown: 702, unknown conditional: 470, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 389, Positive conditional cache size: 159, Positive unconditional cache size: 230, Negative cache size: 313, Negative conditional cache size: 311, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 685, Maximal queried relation: 29, Independence queries for same thread: 4674 - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 174 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 44627 of 262144 xjuncts. - TimeoutResultAtElement [Line: 55]: 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 174 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 44627 of 262144 xjuncts. - TimeoutResultAtElement [Line: 55]: 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 174 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 44627 of 262144 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 42 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 800.4s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 30, EmptinessCheckTime: 211.8s, 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: 1422, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 239.5s InterpolantComputationTime, 6342 NumberOfCodeBlocks, 6342 NumberOfCodeBlocksAsserted, 221 NumberOfCheckSat, 9411 ConstructedInterpolants, 434 QuantifiedInterpolants, 274321 SizeOfPredicates, 289 NumberOfNonLiveVariables, 7143 ConjunctsInSsa, 2587 ConjunctsInUnsatCore, 85 InterpolantComputations, 1 PerfectInterpolantSequences, 24321/65468 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