/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 18:14:47,236 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 18:14:47,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 18:14:47,349 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 18:14:47,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 18:14:47,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 18:14:47,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 18:14:47,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 18:14:47,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 18:14:47,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 18:14:47,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 18:14:47,351 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 18:14:47,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 18:14:47,352 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 18:14:47,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 18:14:47,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 18:14:47,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 18:14:47,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 18:14:47,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:14:47,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 18:14:47,355 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 18:14:47,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 18:14:47,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 18:14:47,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 18:14:47,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 18:14:47,596 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 18:14:47,597 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 18:14:47,598 INFO L432 ainManager$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 [2023-05-03 18:14:47,598 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2023-05-03 18:14:47,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 18:14:47,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 18:14:47,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 18:14:47,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 18:14:47,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 18:14:47,633 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 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,640 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 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,645 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 18:14:47,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 18:14:47,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 18:14:47,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 18:14:47,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 18:14:47,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 18:14:47,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 18:14:47,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 18:14:47,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 18:14:47,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/1) ... [2023-05-03 18:14:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:14:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:47,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-03 18:14:47,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-03 18:14:47,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 18:14:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 18:14:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 18:14:47,731 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 18:14:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 18:14:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 18:14:47,731 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 18:14:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 18:14:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 18:14:47,731 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 18:14:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 18:14:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 18:14:47,732 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 18:14:47,773 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 18:14:47,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 18:14:47,905 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 18:14:47,931 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 18:14:47,932 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 18:14:47,933 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:14:47 BoogieIcfgContainer [2023-05-03 18:14:47,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 18:14:47,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 18:14:47,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 18:14:47,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 18:14:47,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:47" (1/2) ... [2023-05-03 18:14:47,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b70ced and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:14:47, skipping insertion in model container [2023-05-03 18:14:47,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:14:47" (2/2) ... [2023-05-03 18:14:47,966 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-03 18:14:47,973 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 18:14:47,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 18:14:47,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 18:14:47,994 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 18:14:48,052 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 18:14:48,103 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:14:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 18:14:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:48,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 18:14:48,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 18:14:48,157 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 18:14:48,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 18:14:48,187 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;@3f694eb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:14:48,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 18:14:48,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:48,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:48,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1467785711, now seen corresponding path program 1 times [2023-05-03 18:14:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:48,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568763025] [2023-05-03 18:14:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:48,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 18:14:48,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:48,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568763025] [2023-05-03 18:14:48,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568763025] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:14:48,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:14:48,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:14:48,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144994431] [2023-05-03 18:14:48,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:14:48,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 18:14:48,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 18:14:48,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 18:14:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:48,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:48,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:48,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:48,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 18:14:48,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:48,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1642835897, now seen corresponding path program 1 times [2023-05-03 18:14:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499225776] [2023-05-03 18:14:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:48,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:48,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499225776] [2023-05-03 18:14:48,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499225776] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:48,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128815124] [2023-05-03 18:14:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:48,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:48,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:48,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 18:14:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:48,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-03 18:14:48,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:48,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:49,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128815124] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:49,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:49,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2023-05-03 18:14:49,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746943747] [2023-05-03 18:14:49,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:49,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 18:14:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:49,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 18:14:49,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 18:14:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:49,067 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:49,067 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) [2023-05-03 18:14:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:49,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:49,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:49,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-03 18:14:49,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:49,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash 671736847, now seen corresponding path program 2 times [2023-05-03 18:14:49,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:49,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140801873] [2023-05-03 18:14:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:49,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:49,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140801873] [2023-05-03 18:14:49,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140801873] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:49,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031758530] [2023-05-03 18:14:49,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:14:49,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:49,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:49,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:49,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 18:14:49,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:14:49,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:49,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-03 18:14:49,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:49,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:49,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031758530] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:49,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:49,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-03 18:14:49,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845290135] [2023-05-03 18:14:49,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:49,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:14:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:49,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:14:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:14:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:49,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:49,634 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) [2023-05-03 18:14:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:49,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:49,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:49,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 507416559, now seen corresponding path program 1 times [2023-05-03 18:14:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:49,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825874590] [2023-05-03 18:14:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:50,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:50,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825874590] [2023-05-03 18:14:50,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825874590] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:50,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967843156] [2023-05-03 18:14:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:50,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:50,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:50,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 18:14:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:50,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-03 18:14:50,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:50,185 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 16 treesize of output 10 [2023-05-03 18:14:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:50,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:50,257 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:50,257 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 [2023-05-03 18:14:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:50,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967843156] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:50,359 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:50,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-03 18:14:50,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795958144] [2023-05-03 18:14:50,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:50,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 18:14:50,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:50,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 18:14:50,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-03 18:14:50,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:50,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:50,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:50,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:50,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:50,737 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:50,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:50,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1814880205, now seen corresponding path program 2 times [2023-05-03 18:14:50,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:50,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944193828] [2023-05-03 18:14:50,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:50,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:51,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:51,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944193828] [2023-05-03 18:14:51,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944193828] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:51,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399423797] [2023-05-03 18:14:51,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:14:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:51,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:51,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 18:14:51,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:14:51,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:51,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 18:14:51,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:51,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:51,378 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 37 treesize of output 19 [2023-05-03 18:14:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:51,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:51,570 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:51,571 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 [2023-05-03 18:14:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:14:51,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399423797] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:51,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:51,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-03 18:14:51,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270147278] [2023-05-03 18:14:51,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:51,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 18:14:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 18:14:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-03 18:14:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:51,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:51,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:52,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:14:52,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:52,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:52,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1511485995, now seen corresponding path program 3 times [2023-05-03 18:14:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:52,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487939710] [2023-05-03 18:14:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:14:52,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:52,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487939710] [2023-05-03 18:14:52,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487939710] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:52,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704157480] [2023-05-03 18:14:52,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:14:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:52,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:52,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 18:14:52,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 18:14:52,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:52,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-03 18:14:52,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:53,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:53,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:53,164 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 [2023-05-03 18:14:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:14:53,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:53,492 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:53,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2023-05-03 18:14:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:14:53,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704157480] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:53,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:53,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-05-03 18:14:53,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887954757] [2023-05-03 18:14:53,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:53,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-03 18:14:53,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:53,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-03 18:14:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2023-05-03 18:14:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:53,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:53,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 21 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:53,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:14:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:14:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:54,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:54,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:54,514 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:54,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:54,514 INFO L85 PathProgramCache]: Analyzing trace with hash 914677351, now seen corresponding path program 4 times [2023-05-03 18:14:54,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:54,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671287292] [2023-05-03 18:14:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:14:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 18:14:55,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:14:55,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671287292] [2023-05-03 18:14:55,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671287292] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:14:55,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014045252] [2023-05-03 18:14:55,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:14:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:14:55,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:14:55,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 18:14:55,265 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:14:55,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:14:55,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-03 18:14:55,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:14:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:14:56,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:14:56,340 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 [2023-05-03 18:14:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 18:14:56,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:14:57,076 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:14:57,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 98 treesize of output 284 [2023-05-03 18:14:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 18:14:57,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014045252] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:14:57,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:14:57,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-05-03 18:14:57,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793664691] [2023-05-03 18:14:57,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:14:57,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-03 18:14:57,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:14:57,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-03 18:14:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2023-05-03 18:14:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:57,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:14:57,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.470588235294118) internal successors, (152), 33 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:14:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:57,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:14:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:14:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:14:59,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 18:14:59,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:14:59,658 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:14:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:14:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash 424989569, now seen corresponding path program 5 times [2023-05-03 18:14:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:14:59,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271724664] [2023-05-03 18:14:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:14:59,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:14:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 31 proven. 456 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 18:15:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:01,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271724664] [2023-05-03 18:15:01,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271724664] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:01,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766506419] [2023-05-03 18:15:01,389 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:15:01,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:01,392 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:01,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 18:15:01,451 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-05-03 18:15:01,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:01,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-03 18:15:01,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,692 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:03,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:03,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 44 [2023-05-03 18:15:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 31 proven. 456 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 18:15:03,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:04,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,952 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,972 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:05,144 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:15:05,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 156 treesize of output 410 [2023-05-03 18:15:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 34 proven. 453 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 18:15:05,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766506419] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:05,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:05,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 53 [2023-05-03 18:15:05,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496143662] [2023-05-03 18:15:05,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:05,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-03 18:15:05,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:05,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-03 18:15:05,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=2516, Unknown=0, NotChecked=0, Total=2862 [2023-05-03 18:15:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:05,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:05,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.574074074074074) internal successors, (247), 53 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:05,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:05,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:05,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:15:13,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 18:15:13,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-03 18:15:13,394 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:15:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:13,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1398213943, now seen corresponding path program 6 times [2023-05-03 18:15:13,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:13,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545107948] [2023-05-03 18:15:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 9 proven. 549 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 18:15:14,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:14,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545107948] [2023-05-03 18:15:14,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545107948] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:14,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594121604] [2023-05-03 18:15:14,775 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:15:14,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:14,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:14,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:14,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 18:15:14,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-05-03 18:15:14,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:14,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-03 18:15:14,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:17,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:17,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:17,094 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 145 treesize of output 55 [2023-05-03 18:15:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 18:15:17,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:18,620 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:15:18,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2023-05-03 18:15:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 3 proven. 555 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 18:15:19,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594121604] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:19,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:19,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2023-05-03 18:15:19,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496974807] [2023-05-03 18:15:19,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:19,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-03 18:15:19,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-03 18:15:19,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=2325, Unknown=0, NotChecked=0, Total=2652 [2023-05-03 18:15:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:19,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:19,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.730769230769231) internal successors, (246), 51 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:15:19,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:15:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:15:25,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-03 18:15:26,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:26,064 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:15:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:26,065 INFO L85 PathProgramCache]: Analyzing trace with hash 37005305, now seen corresponding path program 7 times [2023-05-03 18:15:26,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:26,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415807809] [2023-05-03 18:15:26,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:26,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 47 proven. 1066 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-03 18:15:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:29,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415807809] [2023-05-03 18:15:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415807809] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458120275] [2023-05-03 18:15:29,393 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:15:29,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:29,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:29,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:29,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 18:15:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:29,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 98 conjunts are in the unsatisfiable core [2023-05-03 18:15:29,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:15:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,075 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:15:34,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:15:34,090 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 [2023-05-03 18:15:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 47 proven. 1066 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-03 18:15:34,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:15:37,944 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:15:37,945 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 [2023-05-03 18:15:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 50 proven. 1063 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-03 18:15:42,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458120275] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:15:42,253 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:15:42,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 75 [2023-05-03 18:15:42,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706246820] [2023-05-03 18:15:42,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:15:42,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-03 18:15:42,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:15:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-03 18:15:42,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=5094, Unknown=0, NotChecked=0, Total=5700 [2023-05-03 18:15:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:42,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:15:42,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.526315789473684) internal successors, (344), 75 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:15:42,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:42,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:42,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:15:42,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:15:55,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:15:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 18:15:55,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-03 18:15:55,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-03 18:15:55,962 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:15:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:15:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1307813807, now seen corresponding path program 8 times [2023-05-03 18:15:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:15:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482186270] [2023-05-03 18:15:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:15:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:15:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:15:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 13 proven. 1207 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-03 18:15:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:15:58,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482186270] [2023-05-03 18:15:58,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482186270] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:15:58,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821561061] [2023-05-03 18:15:58,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:15:58,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:15:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:15:58,422 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:15:58,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 18:15:58,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:15:58,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:15:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 100 conjunts are in the unsatisfiable core [2023-05-03 18:15:58,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:16:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,002 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:03,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:03,011 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 221 treesize of output 79 [2023-05-03 18:16:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 0 proven. 1220 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-03 18:16:03,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:16:06,835 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:16:06,836 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 [2023-05-03 18:16:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 3 proven. 1217 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-03 18:16:11,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821561061] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:16:11,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:16:11,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2023-05-03 18:16:11,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044515811] [2023-05-03 18:16:11,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:16:11,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-03 18:16:11,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:16:11,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-03 18:16:11,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=4677, Unknown=0, NotChecked=0, Total=5256 [2023-05-03 18:16:11,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:16:11,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:16:11,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.8493150684931505) internal successors, (354), 72 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-03 18:16:11,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:16:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 18:16:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-03 18:16:31,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-03 18:16:31,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-03 18:16:31,257 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:16:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:16:31,257 INFO L85 PathProgramCache]: Analyzing trace with hash 74985901, now seen corresponding path program 9 times [2023-05-03 18:16:31,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:16:31,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581606067] [2023-05-03 18:16:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:16:31,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:16:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:16:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 71 proven. 2461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-03 18:16:37,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:16:37,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581606067] [2023-05-03 18:16:37,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581606067] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:16:37,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508526713] [2023-05-03 18:16:37,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:16:37,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:16:37,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:16:37,570 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:16:37,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 18:16:37,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2023-05-03 18:16:37,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:16:37,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 146 conjunts are in the unsatisfiable core [2023-05-03 18:16:37,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:16:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,115 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,116 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:16:50,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:16:50,125 INFO L244 Elim1Store]: Index analysis took 102 ms [2023-05-03 18:16:50,130 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 [2023-05-03 18:16:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 71 proven. 2461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-03 18:16:50,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:17:02,120 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:17:02,121 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 [2023-05-03 18:17:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 74 proven. 2458 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-03 18:17:13,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508526713] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:17:13,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:17:13,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 40, 40] total 109 [2023-05-03 18:17:13,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056782188] [2023-05-03 18:17:13,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:17:13,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-03 18:17:13,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:17:13,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-03 18:17:13,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1134, Invalid=10856, Unknown=0, NotChecked=0, Total=11990 [2023-05-03 18:17:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:17:13,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:17:13,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.6) internal successors, (506), 109 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-03 18:17:13,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-03 18:17:13,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:18:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-03 18:18:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-03 18:18:06,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-03 18:18:06,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-03 18:18:06,771 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 18:18:06,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:06,771 INFO L85 PathProgramCache]: Analyzing trace with hash -768206597, now seen corresponding path program 10 times [2023-05-03 18:18:06,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:06,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033130675] [2023-05-03 18:18:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:06,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 107 proven. 5632 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-03 18:18:19,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:19,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033130675] [2023-05-03 18:18:19,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033130675] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:19,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745848322] [2023-05-03 18:18:19,446 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:18:19,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:19,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:19,448 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:18:19,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-03 18:18:19,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:18:19,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:19,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 218 conjunts are in the unsatisfiable core [2023-05-03 18:18:19,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:19:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,782 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,869 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,983 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:17,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 18:19:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 18:19:18,035 INFO L244 Elim1Store]: Index analysis took 258 ms [2023-05-03 18:19:18,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 351 disjoint index pairs (out of 1378 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 486 treesize of output 168 [2023-05-03 18:19:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 107 proven. 5632 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-03 18:19:18,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:20:01,599 WARN L233 SmtUtils]: Spent 22.89s on a formula simplification that was a NOOP. DAG size: 2375 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 18:20:01,602 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 18:20:01,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 0 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 1431 case distinctions, treesize of input 516 treesize of output 7434 [2023-05-03 18:21:40,812 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-03 18:21:40,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:41,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-03 18:21:41,013 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-03 18:21:41,017 INFO L158 Benchmark]: Toolchain (without parser) took 413396.64ms. Allocated memory was 192.9MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 146.2MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-03 18:21:41,017 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 18:21:41,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.43ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 18:21:41,017 INFO L158 Benchmark]: Boogie Preprocessor took 17.04ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 143.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:21:41,018 INFO L158 Benchmark]: RCFGBuilder took 267.87ms. Allocated memory is still 192.9MB. Free memory was 143.4MB in the beginning and 164.1MB in the end (delta: -20.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-03 18:21:41,018 INFO L158 Benchmark]: TraceAbstraction took 413080.82ms. Allocated memory was 192.9MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 162.9MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-03 18:21:41,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.43ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.04ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 143.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 267.87ms. Allocated memory is still 192.9MB. Free memory was 143.4MB in the beginning and 164.1MB in the end (delta: -20.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 413080.82ms. Allocated memory was 192.9MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 162.9MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-03 18:21:41,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-03 18:21:41,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...