/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 19:02:57,201 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 19:02:57,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 19:02:57,291 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 19:02:57,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 19:02:57,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 19:02:57,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 19:02:57,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 19:02:57,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 19:02:57,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 19:02:57,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 19:02:57,293 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 19:02:57,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 19:02:57,293 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 19:02:57,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 19:02:57,294 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 19:02:57,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 19:02:57,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 19:02:57,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 19:02:57,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 19:02:57,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 19:02:57,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:02:57,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 19:02:57,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 19:02:57,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 19:02:57,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 19:02:57,297 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 19:02:57,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 19:02:57,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 19:02:57,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 19:02:57,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 19:02:57,534 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 19:02:57,537 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 19:02:57,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2023-05-19 19:02:57,538 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2023-05-19 19:02:57,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 19:02:57,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 19:02:57,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 19:02:57,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 19:02:57,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 19:02:57,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,591 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 19:02:57,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 19:02:57,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 19:02:57,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 19:02:57,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 19:02:57,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 19:02:57,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 19:02:57,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 19:02:57,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 19:02:57,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/1) ... [2023-05-19 19:02:57,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:02:57,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:02:57,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 19:02:57,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 19:02:57,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 19:02:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 19:02:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 19:02:57,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 19:02:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 19:02:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 19:02:57,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 19:02:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 19:02:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 19:02:57,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 19:02:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 19:02:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 19:02:57,692 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 19:02:57,734 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 19:02:57,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 19:02:57,865 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 19:02:57,883 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 19:02:57,883 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 19:02:57,885 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:02:57 BoogieIcfgContainer [2023-05-19 19:02:57,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 19:02:57,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 19:02:57,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 19:02:57,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 19:02:57,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:02:57" (1/2) ... [2023-05-19 19:02:57,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59738265 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 07:02:57, skipping insertion in model container [2023-05-19 19:02:57,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:02:57" (2/2) ... [2023-05-19 19:02:57,899 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-19 19:02:57,905 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 19:02:57,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 19:02:57,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 19:02:57,915 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 19:02:57,949 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 19:02:57,984 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:02:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 19:02:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:02:57,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 19:02:57,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 19:02:58,030 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 19:02:58,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 19:02:58,054 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;@78cbcf0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:02:58,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 19:02:58,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:02:58,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:02:58,216 INFO L85 PathProgramCache]: Analyzing trace with hash -7500549, now seen corresponding path program 1 times [2023-05-19 19:02:58,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:02:58,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960557220] [2023-05-19 19:02:58,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:02:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 19:02:58,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:02:58,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960557220] [2023-05-19 19:02:58,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960557220] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 19:02:58,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 19:02:58,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 19:02:58,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782740250] [2023-05-19 19:02:58,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 19:02:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 19:02:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:02:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 19:02:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 19:02:58,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:02:58,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:02:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 19:02:58,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:02:58,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:02:58,548 INFO L85 PathProgramCache]: Analyzing trace with hash 403056697, now seen corresponding path program 2 times [2023-05-19 19:02:58,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:02:58,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209699801] [2023-05-19 19:02:58,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:02:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:02:58,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:02:58,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209699801] [2023-05-19 19:02:58,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209699801] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 19:02:58,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 19:02:58,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 19:02:58,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397951279] [2023-05-19 19:02:58,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 19:02:58,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 19:02:58,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:02:58,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 19:02:58,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 19:02:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:02:58,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:02:58,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 19:02:58,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:02:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:02:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash -439718823, now seen corresponding path program 1 times [2023-05-19 19:02:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:02:58,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305248256] [2023-05-19 19:02:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:02:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:58,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:02:58,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305248256] [2023-05-19 19:02:58,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305248256] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:02:58,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801716035] [2023-05-19 19:02:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:58,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:02:58,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:02:58,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:02:58,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 19:02:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:58,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-19 19:02:58,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:02:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 19:02:58,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 19:02:58,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801716035] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 19:02:58,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 19:02:58,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-05-19 19:02:58,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573319909] [2023-05-19 19:02:58,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 19:02:58,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 19:02:58,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:02:58,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 19:02:58,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 19:02:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:02:58,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:02:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:58,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 19:02:59,176 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,SelfDestructingSolverStorable2 [2023-05-19 19:02:59,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:02:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:02:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1940222887, now seen corresponding path program 2 times [2023-05-19 19:02:59,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:02:59,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236220821] [2023-05-19 19:02:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:59,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:02:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:02:59,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236220821] [2023-05-19 19:02:59,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236220821] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:02:59,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155842366] [2023-05-19 19:02:59,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:02:59,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:02:59,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:02:59,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:02:59,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 19:02:59,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:02:59,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:02:59,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 19:02:59,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:02:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:02:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155842366] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:02:59,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:02:59,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2023-05-19 19:02:59,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448171910] [2023-05-19 19:02:59,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:02:59,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 19:02:59,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:02:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 19:02:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 19:02:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:59,431 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:02:59,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:02:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:02:59,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 19:02:59,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:02:59,781 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:02:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:02:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash 255331023, now seen corresponding path program 3 times [2023-05-19 19:02:59,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:02:59,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465350590] [2023-05-19 19:02:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:02:59,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:02:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:02:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:02:59,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465350590] [2023-05-19 19:02:59,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465350590] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:02:59,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562917180] [2023-05-19 19:02:59,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:02:59,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:02:59,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:02:59,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:02:59,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 19:02:59,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-19 19:02:59,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:02:59,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 19:02:59,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:02:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:02:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:02:59,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562917180] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:02:59,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:02:59,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-19 19:02:59,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404331100] [2023-05-19 19:02:59,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:02:59,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 19:02:59,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:02:59,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 19:02:59,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 19:02:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:59,924 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:02:59,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:02:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:02:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:02:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:02:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:02:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:02:59,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:00,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:00,196 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:00,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:00,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1738133841, now seen corresponding path program 3 times [2023-05-19 19:03:00,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:00,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028345403] [2023-05-19 19:03:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:00,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:00,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028345403] [2023-05-19 19:03:00,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028345403] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:00,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548925058] [2023-05-19 19:03:00,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:03:00,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:00,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:00,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:00,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 19:03:00,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-19 19:03:00,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:00,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 19:03:00,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:00,510 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 22 treesize of output 10 [2023-05-19 19:03:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:00,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:00,599 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:00,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2023-05-19 19:03:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:00,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548925058] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:00,695 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:00,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-19 19:03:00,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729933539] [2023-05-19 19:03:00,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:00,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 19:03:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:00,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 19:03:00,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-19 19:03:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:00,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:00,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:00,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:00,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:01,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:01,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash -63030729, now seen corresponding path program 4 times [2023-05-19 19:03:01,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:01,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212178426] [2023-05-19 19:03:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:01,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:01,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:01,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212178426] [2023-05-19 19:03:01,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212178426] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:01,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328480726] [2023-05-19 19:03:01,397 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:03:01,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:01,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:01,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:01,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 19:03:01,435 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:03:01,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:01,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-19 19:03:01,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:01,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:01,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2023-05-19 19:03:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:01,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:01,817 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:01,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2023-05-19 19:03:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:01,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328480726] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:01,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:01,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-19 19:03:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840166688] [2023-05-19 19:03:01,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:01,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 19:03:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:01,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 19:03:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-19 19:03:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:01,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:01,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 15 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:01,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:02,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:02,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:02,475 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:02,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:02,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1021337761, now seen corresponding path program 5 times [2023-05-19 19:03:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:02,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479844701] [2023-05-19 19:03:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:02,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:02,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:02,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479844701] [2023-05-19 19:03:02,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479844701] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:02,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53066077] [2023-05-19 19:03:02,764 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:03:02,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:02,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:02,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 19:03:02,807 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-19 19:03:02,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:02,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-19 19:03:02,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:03,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:03,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2023-05-19 19:03:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:03,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:03,315 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:03,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:03,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:03,341 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:03,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 84 [2023-05-19 19:03:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:03,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53066077] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:03,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:03,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2023-05-19 19:03:03,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751351410] [2023-05-19 19:03:03,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:03,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-19 19:03:03,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:03,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-19 19:03:03,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-05-19 19:03:03,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:03,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:03,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 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) [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:03,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:04,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-19 19:03:04,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:04,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:04,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1201948757, now seen corresponding path program 6 times [2023-05-19 19:03:04,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:04,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358537514] [2023-05-19 19:03:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 26 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:03:05,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:05,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358537514] [2023-05-19 19:03:05,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358537514] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:05,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528444170] [2023-05-19 19:03:05,086 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:03:05,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:05,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:05,088 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:05,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 19:03:05,136 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-19 19:03:05,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:05,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-19 19:03:05,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:05,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 36 [2023-05-19 19:03:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 42 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:05,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:06,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:06,591 INFO L356 Elim1Store]: treesize reduction 30, result has 84.0 percent of original size [2023-05-19 19:03:06,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 96 treesize of output 200 [2023-05-19 19:03:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:06,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528444170] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:06,957 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:06,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 33 [2023-05-19 19:03:06,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954691685] [2023-05-19 19:03:06,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:06,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-19 19:03:06,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:06,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-19 19:03:06,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=911, Unknown=0, NotChecked=0, Total=1122 [2023-05-19 19:03:06,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:06,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:06,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.6470588235294117) internal successors, (124), 33 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:06,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:08,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:08,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 19:03:08,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash -224931217, now seen corresponding path program 7 times [2023-05-19 19:03:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:08,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519248406] [2023-05-19 19:03:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 34 proven. 134 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 19:03:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:09,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519248406] [2023-05-19 19:03:09,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519248406] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:09,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832525522] [2023-05-19 19:03:09,475 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:03:09,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:09,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:09,477 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:09,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 19:03:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:09,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-19 19:03:09,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,594 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:10,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:10,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:10,602 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 109 treesize of output 43 [2023-05-19 19:03:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 49 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:10,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:11,539 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:11,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2023-05-19 19:03:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 36 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:12,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832525522] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:12,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:12,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 37 [2023-05-19 19:03:12,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43242924] [2023-05-19 19:03:12,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:12,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 19:03:12,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:12,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 19:03:12,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 19:03:12,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:12,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:12,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.105263157894737) internal successors, (156), 37 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:15,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:15,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 19:03:15,464 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:15,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:15,465 INFO L85 PathProgramCache]: Analyzing trace with hash 407121303, now seen corresponding path program 8 times [2023-05-19 19:03:15,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:15,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876051792] [2023-05-19 19:03:15,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 32 proven. 177 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:03:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876051792] [2023-05-19 19:03:16,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876051792] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433609654] [2023-05-19 19:03:16,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:03:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:16,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:16,381 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:16,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 19:03:16,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:03:16,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:16,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-19 19:03:16,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:17,629 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:17,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 21 disjoint index pairs (out of 78 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 48 [2023-05-19 19:03:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:17,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:18,736 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:18,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2023-05-19 19:03:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 4 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:19,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433609654] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:19,776 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:19,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 44 [2023-05-19 19:03:19,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930943976] [2023-05-19 19:03:19,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:19,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-19 19:03:19,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:19,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-19 19:03:19,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1700, Unknown=0, NotChecked=0, Total=1980 [2023-05-19 19:03:19,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:19,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:19,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.9555555555555557) internal successors, (178), 44 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:23,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-19 19:03:24,125 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,SelfDestructingSolverStorable10 [2023-05-19 19:03:24,126 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash 193353207, now seen corresponding path program 9 times [2023-05-19 19:03:24,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:24,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644826332] [2023-05-19 19:03:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:24,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 43 proven. 299 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:03:25,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:25,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644826332] [2023-05-19 19:03:25,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644826332] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:25,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2884232] [2023-05-19 19:03:25,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:03:25,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:25,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:25,285 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:25,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 19:03:25,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-19 19:03:25,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:25,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-19 19:03:25,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,550 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,551 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,555 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:27,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:27,561 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 143 treesize of output 55 [2023-05-19 19:03:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 56 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:27,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:29,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:29,522 INFO L356 Elim1Store]: treesize reduction 126, result has 74.7 percent of original size [2023-05-19 19:03:29,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 69 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 51 case distinctions, treesize of input 154 treesize of output 438 [2023-05-19 19:03:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 65 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:29,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2884232] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:29,974 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:29,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 51 [2023-05-19 19:03:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740335660] [2023-05-19 19:03:29,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:29,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-19 19:03:29,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:29,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-19 19:03:29,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=2284, Unknown=0, NotChecked=0, Total=2652 [2023-05-19 19:03:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:29,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:29,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.096153846153846) internal successors, (213), 51 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:03:32,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-19 19:03:33,081 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,SelfDestructingSolverStorable11 [2023-05-19 19:03:33,081 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:33,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:33,081 INFO L85 PathProgramCache]: Analyzing trace with hash 827583263, now seen corresponding path program 10 times [2023-05-19 19:03:33,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:33,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259251845] [2023-05-19 19:03:33,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:33,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 46 proven. 359 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:03:34,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:34,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259251845] [2023-05-19 19:03:34,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259251845] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:34,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540117679] [2023-05-19 19:03:34,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:03:34,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:34,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:34,378 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:34,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 19:03:34,414 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:03:34,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:34,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-19 19:03:34,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:36,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,536 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:36,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:36,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 60 [2023-05-19 19:03:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 66 proven. 344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:36,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:38,415 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:38,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2023-05-19 19:03:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 62 proven. 348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:40,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540117679] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:40,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:40,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 56 [2023-05-19 19:03:40,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136283514] [2023-05-19 19:03:40,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-19 19:03:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:40,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-19 19:03:40,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192 [2023-05-19 19:03:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:40,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:40,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.035087719298246) internal successors, (230), 56 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:40,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:40,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:40,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:40,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:03:40,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:03:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:03:48,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 19:03:49,158 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,SelfDestructingSolverStorable12 [2023-05-19 19:03:49,158 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:03:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:03:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1104802175, now seen corresponding path program 11 times [2023-05-19 19:03:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:03:49,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355856566] [2023-05-19 19:03:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:03:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:03:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:03:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 57 proven. 527 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 19:03:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:03:50,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355856566] [2023-05-19 19:03:50,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355856566] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:03:50,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052576160] [2023-05-19 19:03:50,722 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:03:50,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:03:50,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:03:50,725 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:03:50,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 19:03:50,781 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2023-05-19 19:03:50,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:03:50,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-19 19:03:50,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:03:53,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,601 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,613 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,615 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,616 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:03:53,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:03:53,620 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 181 treesize of output 67 [2023-05-19 19:03:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 20 proven. 569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:53,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:03:56,007 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:03:56,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2023-05-19 19:03:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 45 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:03:58,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052576160] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:03:58,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:03:58,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 62 [2023-05-19 19:03:58,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166248537] [2023-05-19 19:03:58,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:03:58,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-19 19:03:58,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:03:58,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-19 19:03:58,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=3463, Unknown=0, NotChecked=0, Total=3906 [2023-05-19 19:03:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:03:58,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:03:58,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.444444444444445) internal successors, (280), 62 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:03:58,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:04:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:04:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:04:08,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-19 19:04:09,070 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,SelfDestructingSolverStorable13 [2023-05-19 19:04:09,071 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:04:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:04:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1651064665, now seen corresponding path program 12 times [2023-05-19 19:04:09,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:04:09,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254120048] [2023-05-19 19:04:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:04:09,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:04:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:04:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 60 proven. 604 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:04:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:04:10,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254120048] [2023-05-19 19:04:10,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254120048] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:04:10,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066754135] [2023-05-19 19:04:10,615 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:04:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:04:10,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:04:10,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:04:10,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 19:04:10,679 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-05-19 19:04:10,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:04:10,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 100 conjunts are in the unsatisfiable core [2023-05-19 19:04:10,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:04:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,204 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,209 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,220 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:14,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:14,228 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 200 treesize of output 72 [2023-05-19 19:04:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 80 proven. 590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:04:14,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:04:17,262 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:04:17,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 212 treesize of output 1274 [2023-05-19 19:04:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 96 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:04:21,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066754135] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:04:21,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:04:21,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 30, 26] total 71 [2023-05-19 19:04:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016716095] [2023-05-19 19:04:21,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:04:21,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-05-19 19:04:21,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:04:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-05-19 19:04:21,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=4555, Unknown=0, NotChecked=0, Total=5112 [2023-05-19 19:04:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:04:21,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:04:21,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.027777777777778) internal successors, (290), 71 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:04:21,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:04:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:04:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:04:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:04:33,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-19 19:04:33,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:04:33,905 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:04:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:04:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1707825913, now seen corresponding path program 13 times [2023-05-19 19:04:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:04:33,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590109937] [2023-05-19 19:04:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:04:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:04:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:04:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 71 proven. 818 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:04:35,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:04:35,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590109937] [2023-05-19 19:04:35,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590109937] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:04:35,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139580100] [2023-05-19 19:04:35,652 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:04:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:04:35,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:04:35,653 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:04:35,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 19:04:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:04:35,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 98 conjunts are in the unsatisfiable core [2023-05-19 19:04:35,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:04:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,672 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,676 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,677 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:04:39,691 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:04:39,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 66 disjoint index pairs (out of 253 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 79 [2023-05-19 19:04:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 91 proven. 804 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:04:39,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:04:43,509 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:04:43,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2023-05-19 19:04:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 147 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:04:48,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139580100] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:04:48,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:04:48,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2023-05-19 19:04:48,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897511243] [2023-05-19 19:04:48,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:04:48,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-19 19:04:48,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:04:48,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-19 19:04:48,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=4698, Unknown=0, NotChecked=0, Total=5256 [2023-05-19 19:04:48,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:04:48,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:04:48,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.534246575342466) internal successors, (331), 72 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:04:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:04:48,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:04:48,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:04:48,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:04:48,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:04:48,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:05:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:05:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:05:12,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 19:05:12,226 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,SelfDestructingSolverStorable15 [2023-05-19 19:05:12,227 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:05:12,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:05:12,227 INFO L85 PathProgramCache]: Analyzing trace with hash -533811665, now seen corresponding path program 14 times [2023-05-19 19:05:12,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:05:12,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170950314] [2023-05-19 19:05:12,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:05:12,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:05:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:05:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 74 proven. 914 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:05:14,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:05:14,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170950314] [2023-05-19 19:05:14,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170950314] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:05:14,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482836111] [2023-05-19 19:05:14,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:05:14,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:05:14,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:05:14,215 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:05:14,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 19:05:14,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:05:14,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:05:14,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 106 conjunts are in the unsatisfiable core [2023-05-19 19:05:14,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:05:19,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,357 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,357 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,366 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,368 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:05:19,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:05:19,375 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 234 treesize of output 84 [2023-05-19 19:05:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 94 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:05:19,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:05:24,097 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:05:24,098 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 250 treesize of output 1764 [2023-05-19 19:05:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 138 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:05:30,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482836111] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:05:30,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:05:30,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 30] total 78 [2023-05-19 19:05:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738771619] [2023-05-19 19:05:30,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:05:30,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-05-19 19:05:30,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:05:30,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-05-19 19:05:30,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=5540, Unknown=0, NotChecked=0, Total=6162 [2023-05-19 19:05:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:05:30,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:05:30,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.417721518987341) internal successors, (349), 78 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:05:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:05:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:05:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:05:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:05:51,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-19 19:05:51,788 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,SelfDestructingSolverStorable16 [2023-05-19 19:05:51,788 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:05:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:05:51,789 INFO L85 PathProgramCache]: Analyzing trace with hash 926445711, now seen corresponding path program 15 times [2023-05-19 19:05:51,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:05:51,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713852361] [2023-05-19 19:05:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:05:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:05:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:05:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 85 proven. 1174 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:05:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:05:54,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713852361] [2023-05-19 19:05:54,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713852361] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:05:54,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335504541] [2023-05-19 19:05:54,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:05:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:05:54,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:05:54,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:05:54,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-19 19:05:54,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2023-05-19 19:05:54,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:05:54,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 114 conjunts are in the unsatisfiable core [2023-05-19 19:05:54,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:06:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,285 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,320 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:00,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 91 disjoint index pairs (out of 351 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 91 [2023-05-19 19:06:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 105 proven. 1160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:06:00,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:06:06,065 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:06:06,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 270 treesize of output 2040 [2023-05-19 19:06:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 200 proven. 1065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:06:14,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335504541] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:06:14,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:06:14,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 32, 32] total 84 [2023-05-19 19:06:14,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763212044] [2023-05-19 19:06:14,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:06:14,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-05-19 19:06:14,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:06:14,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-05-19 19:06:14,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=715, Invalid=6425, Unknown=0, NotChecked=0, Total=7140 [2023-05-19 19:06:14,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:06:14,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:06:14,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.6) internal successors, (391), 84 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:06:14,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:06:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:06:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:06:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:06:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:06:14,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:06:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:06:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:06:44,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-19 19:06:44,987 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,SelfDestructingSolverStorable17 [2023-05-19 19:06:44,987 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:06:44,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:06:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash 440251319, now seen corresponding path program 16 times [2023-05-19 19:06:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:06:44,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886825791] [2023-05-19 19:06:44,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:06:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:06:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:06:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 88 proven. 1288 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:06:47,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:06:47,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886825791] [2023-05-19 19:06:47,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886825791] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:06:47,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583828607] [2023-05-19 19:06:47,608 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:06:47,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:06:47,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:06:47,610 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:06:47,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-19 19:06:47,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:06:47,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:06:47,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 122 conjunts are in the unsatisfiable core [2023-05-19 19:06:47,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:06:54,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,346 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,391 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:06:54,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:06:54,395 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 270 treesize of output 96 [2023-05-19 19:06:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 108 proven. 1274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:06:54,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:07:01,127 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:07:01,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2023-05-19 19:07:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 188 proven. 1194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:07:11,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583828607] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:07:11,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:07:11,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 90 [2023-05-19 19:07:11,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226627980] [2023-05-19 19:07:11,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:07:11,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-05-19 19:07:11,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:07:11,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-05-19 19:07:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=798, Invalid=7392, Unknown=0, NotChecked=0, Total=8190 [2023-05-19 19:07:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:07:11,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:07:11,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.4945054945054945) internal successors, (409), 90 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:07:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:07:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:07:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:07:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:07:41,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:07:41,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-19 19:07:41,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:07:41,745 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:07:41,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:07:41,745 INFO L85 PathProgramCache]: Analyzing trace with hash -645442537, now seen corresponding path program 17 times [2023-05-19 19:07:41,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:07:41,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088136634] [2023-05-19 19:07:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:07:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:07:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:07:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 99 proven. 1594 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:07:44,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:07:44,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088136634] [2023-05-19 19:07:44,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088136634] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:07:44,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238287724] [2023-05-19 19:07:44,784 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:07:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:07:44,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:07:44,785 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:07:44,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-19 19:07:44,849 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2023-05-19 19:07:44,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:07:44,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 130 conjunts are in the unsatisfiable core [2023-05-19 19:07:44,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:07:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:07:53,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:07:53,473 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 289 treesize of output 103 [2023-05-19 19:07:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 20 proven. 1679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:07:53,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:08:01,671 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:08:01,672 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 308 treesize of output 2650 [2023-05-19 19:08:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 162 proven. 1537 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:08:13,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238287724] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:08:13,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:08:13,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 96 [2023-05-19 19:08:13,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878539586] [2023-05-19 19:08:13,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:08:13,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-19 19:08:13,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:08:13,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-19 19:08:13,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=8413, Unknown=0, NotChecked=0, Total=9312 [2023-05-19 19:08:13,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:08:13,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:08:13,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.731958762886598) internal successors, (459), 96 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:08:13,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:08:13,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:08:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:08:54,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-19 19:08:54,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:08:54,950 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:08:54,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:08:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1964650177, now seen corresponding path program 18 times [2023-05-19 19:08:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:08:54,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19603693] [2023-05-19 19:08:54,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:08:54,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:08:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:08:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 102 proven. 1726 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:08:58,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:08:58,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19603693] [2023-05-19 19:08:58,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19603693] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:08:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817811366] [2023-05-19 19:08:58,201 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:08:58,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:08:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:08:58,202 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:08:58,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-19 19:08:58,276 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2023-05-19 19:08:58,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:08:58,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 138 conjunts are in the unsatisfiable core [2023-05-19 19:08:58,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:09:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:09:09,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:09:09,087 INFO L244 Elim1Store]: Index analysis took 181 ms [2023-05-19 19:09:09,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 136 disjoint index pairs (out of 528 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 108 [2023-05-19 19:09:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 20 proven. 1814 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:09:09,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:09:18,813 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:09:18,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 326 treesize of output 2984 [2023-05-19 19:09:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 144 proven. 1690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:09:32,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817811366] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:09:32,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:09:32,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 38] total 102 [2023-05-19 19:09:32,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127922863] [2023-05-19 19:09:32,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:09:32,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-05-19 19:09:32,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:09:32,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-05-19 19:09:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=983, Invalid=9523, Unknown=0, NotChecked=0, Total=10506 [2023-05-19 19:09:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:09:32,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:09:32,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.631067961165049) internal successors, (477), 102 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:09:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:09:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:09:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:09:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:10:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:10:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:10:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:10:05,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:10:05,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-05-19 19:10:05,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-05-19 19:10:05,208 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:10:05,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:10:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1606635423, now seen corresponding path program 19 times [2023-05-19 19:10:05,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:10:05,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003870365] [2023-05-19 19:10:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:10:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:10:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:10:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 113 proven. 2078 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:10:08,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:10:08,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003870365] [2023-05-19 19:10:08,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003870365] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:10:08,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245369145] [2023-05-19 19:10:08,683 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:10:08,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:10:08,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:10:08,684 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:10:08,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-19 19:10:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:10:08,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 146 conjunts are in the unsatisfiable core [2023-05-19 19:10:08,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:10:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,200 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,207 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:10:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:10:22,270 INFO L244 Elim1Store]: Index analysis took 117 ms [2023-05-19 19:10:22,274 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 325 treesize of output 115 [2023-05-19 19:10:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 133 proven. 2064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:10:22,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:10:33,895 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:10:33,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2023-05-19 19:10:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 330 proven. 1867 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:10:57,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245369145] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:10:57,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:10:57,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 108 [2023-05-19 19:10:57,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171169480] [2023-05-19 19:10:57,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:10:57,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2023-05-19 19:10:57,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:10:57,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2023-05-19 19:10:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1102, Invalid=10670, Unknown=0, NotChecked=0, Total=11772 [2023-05-19 19:10:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:10:57,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:10:57,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.6880733944954125) internal successors, (511), 108 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:10:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:10:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:10:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:12:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:12:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:12:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:12:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2023-05-19 19:12:04,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-05-19 19:12:04,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-05-19 19:12:04,753 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:12:04,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:12:04,754 INFO L85 PathProgramCache]: Analyzing trace with hash 256444103, now seen corresponding path program 20 times [2023-05-19 19:12:04,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:12:04,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066211053] [2023-05-19 19:12:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:12:04,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:12:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:12:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 116 proven. 2228 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:12:08,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:12:08,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066211053] [2023-05-19 19:12:08,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066211053] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:12:08,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789686365] [2023-05-19 19:12:08,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:12:08,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:12:08,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:12:08,761 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:12:08,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-19 19:12:08,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:12:08,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:12:08,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-19 19:12:08,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:12:24,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,199 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,218 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:12:24,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:12:24,281 INFO L244 Elim1Store]: Index analysis took 117 ms [2023-05-19 19:12:24,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 171 disjoint index pairs (out of 666 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 120 [2023-05-19 19:12:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 136 proven. 2214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:12:24,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:12:38,114 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 1215 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 19:12:38,117 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:12:38,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 364 treesize of output 3714 [2023-05-19 19:12:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 312 proven. 2038 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:12:57,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789686365] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:12:57,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:12:57,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 114 [2023-05-19 19:12:57,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247546623] [2023-05-19 19:12:57,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:12:57,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-19 19:12:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:12:57,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-19 19:12:57,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1182, Invalid=11928, Unknown=0, NotChecked=0, Total=13110 [2023-05-19 19:12:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:12:57,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:12:57,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.6) internal successors, (529), 114 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:12:57,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2023-05-19 19:12:57,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:14:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:14:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:14:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 19:14:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 19:14:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2023-05-19 19:14:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2023-05-19 19:14:01,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-05-19 19:14:02,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:14:02,118 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 19:14:02,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:14:02,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1183736615, now seen corresponding path program 21 times [2023-05-19 19:14:02,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:14:02,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912870490] [2023-05-19 19:14:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:14:02,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:14:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:14:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2759 backedges. 127 proven. 2626 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:14:06,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:14:06,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912870490] [2023-05-19 19:14:06,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912870490] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:14:06,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133121964] [2023-05-19 19:14:06,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:14:06,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:14:06,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:14:06,581 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) [2023-05-19 19:14:06,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-05-19 19:14:06,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2023-05-19 19:14:06,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:14:06,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 162 conjunts are in the unsatisfiable core [2023-05-19 19:14:06,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:14:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,555 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,639 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,645 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,688 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,692 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 19:14:25,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 19:14:25,693 INFO L244 Elim1Store]: Index analysis took 142 ms [2023-05-19 19:14:25,695 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 361 treesize of output 127 [2023-05-19 19:14:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2759 backedges. 147 proven. 2612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:14:25,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:14:42,202 WARN L233 SmtUtils]: Spent 7.19s 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) [2023-05-19 19:14:42,203 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 19:14:42,204 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 384 treesize of output 4110 Received shutdown request... [2023-05-19 19:15:27,156 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-19 19:15:27,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 19:15:27,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-05-19 19:15:27,182 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:15:27,182 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:15:27,183 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:15:27,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:15:27,381 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 206 with TraceHistMax 37,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-19-2-11-3-1 context. [2023-05-19 19:15:27,383 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 19:15:27,383 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 19:15:27,383 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 19:15:27,391 INFO L444 BasicCegarLoop]: Path program histogram: [21, 3] [2023-05-19 19:15:27,395 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 19:15:27,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 19:15:27,407 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 07:15:27 BasicIcfg [2023-05-19 19:15:27,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 19:15:27,407 INFO L158 Benchmark]: Toolchain (without parser) took 749846.15ms. Allocated memory was 181.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 141.8MB in the beginning and 712.8MB in the end (delta: -571.0MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-05-19 19:15:27,407 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 181.4MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 19:15:27,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.87ms. Allocated memory is still 181.4MB. Free memory was 141.7MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:15:27,408 INFO L158 Benchmark]: Boogie Preprocessor took 20.25ms. Allocated memory is still 181.4MB. Free memory was 140.1MB in the beginning and 139.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:15:27,408 INFO L158 Benchmark]: RCFGBuilder took 261.03ms. Allocated memory is still 181.4MB. Free memory was 139.1MB in the beginning and 129.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 19:15:27,408 INFO L158 Benchmark]: TraceAbstraction took 749519.14ms. Allocated memory was 181.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 128.0MB in the beginning and 712.8MB in the end (delta: -584.8MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-05-19 19:15:27,410 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 0.16ms. Allocated memory is still 181.4MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.87ms. Allocated memory is still 181.4MB. Free memory was 141.7MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.25ms. Allocated memory is still 181.4MB. Free memory was 140.1MB in the beginning and 139.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.03ms. Allocated memory is still 181.4MB. Free memory was 139.1MB in the beginning and 129.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 749519.14ms. Allocated memory was 181.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 128.0MB in the beginning and 712.8MB in the end (delta: -584.8MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1174739, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 415721, dependent conditional: 415713, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 808045, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 49027, dependent conditional: 49019, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 808045, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 49027, dependent conditional: 49019, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 928314, dependent unconditional: 56539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 365312, dependent unconditional: 619541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 365312, dependent unconditional: 619541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4753, independent: 2427, independent conditional: 2093, independent unconditional: 334, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4753, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 4423, dependent conditional: 0, dependent unconditional: 4423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4423, independent: 2097, independent conditional: 2093, independent unconditional: 4, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4423, independent: 2097, independent conditional: 2093, independent unconditional: 4, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9433, independent: 4096, independent conditional: 4079, independent unconditional: 17, dependent: 5338, dependent conditional: 5278, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1743871, independent: 756591, independent conditional: 5419, independent unconditional: 751172, dependent: 982527, dependent conditional: 362997, dependent unconditional: 619530, unknown: 4753, unknown conditional: 4408, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 4753, Positive cache size: 2427, Positive conditional cache size: 2093, Positive unconditional cache size: 334, Negative cache size: 2326, Negative conditional cache size: 2315, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 563002, Maximal queried relation: 23, Independence queries for same thread: 366694 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 69, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 408, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1174739, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 415721, dependent conditional: 415713, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 808045, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 49027, dependent conditional: 49019, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 808045, independent: 759018, independent conditional: 758618, independent unconditional: 400, dependent: 49027, dependent conditional: 49019, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 928314, dependent unconditional: 56539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 365312, dependent unconditional: 619541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1743871, independent: 759018, independent conditional: 7512, independent unconditional: 751506, dependent: 984853, dependent conditional: 365312, dependent unconditional: 619541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4753, independent: 2427, independent conditional: 2093, independent unconditional: 334, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4753, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 4423, dependent conditional: 0, dependent unconditional: 4423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4423, independent: 2097, independent conditional: 2093, independent unconditional: 4, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4423, independent: 2097, independent conditional: 2093, independent unconditional: 4, dependent: 2326, dependent conditional: 2315, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9433, independent: 4096, independent conditional: 4079, independent unconditional: 17, dependent: 5338, dependent conditional: 5278, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1743871, independent: 756591, independent conditional: 5419, independent unconditional: 751172, dependent: 982527, dependent conditional: 362997, dependent unconditional: 619530, unknown: 4753, unknown conditional: 4408, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 4753, Positive cache size: 2427, Positive conditional cache size: 2093, Positive unconditional cache size: 334, Negative cache size: 2326, Negative conditional cache size: 2315, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 563002, Maximal queried relation: 23, Independence queries for same thread: 366694 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 206 with TraceHistMax 37,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-19-2-11-3-1 context. - TimeoutResultAtElement [Line: 63]: 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 206 with TraceHistMax 37,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-19-2-11-3-1 context. - TimeoutResultAtElement [Line: 63]: 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 206 with TraceHistMax 37,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-19-2-11-3-1 context. - TimeoutResultAtElement [Line: 64]: 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 206 with TraceHistMax 37,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-19-2-11-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 749.4s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 353.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2696, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 304.3s InterpolantComputationTime, 4100 NumberOfCodeBlocks, 4100 NumberOfCodeBlocksAsserted, 179 NumberOfCheckSat, 6032 ConstructedInterpolants, 691 QuantifiedInterpolants, 481525 SizeOfPredicates, 76 NumberOfNonLiveVariables, 4207 ConjunctsInSsa, 1548 ConjunctsInUnsatCore, 64 InterpolantComputations, 3 PerfectInterpolantSequences, 4208/45578 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