/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-32214ab [2023-05-19 14:04:32,237 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 14:04:32,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 14:04:32,328 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 14:04:32,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 14:04:32,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 14:04:32,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 14:04:32,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 14:04:32,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 14:04:32,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 14:04:32,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 14:04:32,330 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 14:04:32,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 14:04:32,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 14:04:32,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 14:04:32,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 14:04:32,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 14:04:32,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 14:04:32,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 14:04:32,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 14:04:32,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 14:04:32,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 14:04:32,334 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 14:04:32,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 14:04:32,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 14:04:32,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 14:04:32,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 14:04:32,511 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 14:04:32,517 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 14:04:32,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2023-05-19 14:04:32,518 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2023-05-19 14:04:32,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 14:04:32,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 14:04:32,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 14:04:32,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 14:04:32,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 14:04:32,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,551 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 14:04:32,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 14:04:32,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 14:04:32,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 14:04:32,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 14:04:32,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 14:04:32,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 14:04:32,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 14:04:32,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 14:04:32,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/1) ... [2023-05-19 14:04:32,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 14:04:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:32,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 14:04:32,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 14:04:32,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 14:04:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 14:04:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 14:04:32,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 14:04:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 14:04:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 14:04:32,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 14:04:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 14:04:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 14:04:32,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 14:04:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 14:04:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 14:04:32,618 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 14:04:32,653 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 14:04:32,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 14:04:32,765 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 14:04:32,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 14:04:32,776 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 14:04:32,778 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 02:04:32 BoogieIcfgContainer [2023-05-19 14:04:32,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 14:04:32,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 14:04:32,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 14:04:32,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 14:04:32,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:04:32" (1/2) ... [2023-05-19 14:04:32,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0cbcf and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 02:04:32, skipping insertion in model container [2023-05-19 14:04:32,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 02:04:32" (2/2) ... [2023-05-19 14:04:32,809 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-19 14:04:32,814 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 14:04:32,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 14:04:32,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 14:04:32,833 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 14:04:32,888 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 14:04:32,938 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 14:04:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 14:04:32,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:32,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 14:04:32,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 14:04:32,986 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 14:04:33,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 14:04:33,011 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;@604caabc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 14:04:33,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 14:04:33,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:33,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1467785711, now seen corresponding path program 1 times [2023-05-19 14:04:33,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:33,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032354723] [2023-05-19 14:04:33,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 14:04:33,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:33,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032354723] [2023-05-19 14:04:33,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032354723] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 14:04:33,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 14:04:33,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 14:04:33,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125705616] [2023-05-19 14:04:33,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 14:04:33,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 14:04:33,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 14:04:33,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 14:04:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:33,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:33,281 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) [2023-05-19 14:04:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:33,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:33,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 14:04:33,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1642835897, now seen corresponding path program 1 times [2023-05-19 14:04:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:33,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098158642] [2023-05-19 14:04:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:33,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:33,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098158642] [2023-05-19 14:04:33,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098158642] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:33,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476242429] [2023-05-19 14:04:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:33,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:33,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:33,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:33,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 14:04:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:33,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 14:04:33,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:33,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:33,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476242429] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:33,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:33,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2023-05-19 14:04:33,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092794632] [2023-05-19 14:04:33,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:33,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 14:04:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:33,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 14:04:33,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 14:04:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:33,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:33,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:04:33,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:33,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:33,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:34,025 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 [2023-05-19 14:04:34,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:34,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:34,026 INFO L85 PathProgramCache]: Analyzing trace with hash 671736847, now seen corresponding path program 2 times [2023-05-19 14:04:34,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:34,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971081665] [2023-05-19 14:04:34,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:34,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:34,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971081665] [2023-05-19 14:04:34,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971081665] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:34,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928920830] [2023-05-19 14:04:34,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:04:34,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:34,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:34,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:34,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 14:04:34,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:04:34,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:34,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 14:04:34,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928920830] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:34,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:34,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-19 14:04:34,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901324595] [2023-05-19 14:04:34,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:34,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 14:04:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 14:04:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 14:04:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:34,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:34,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:04:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:34,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:34,375 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 [2023-05-19 14:04:34,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:34,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 507416559, now seen corresponding path program 1 times [2023-05-19 14:04:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:34,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011552779] [2023-05-19 14:04:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:34,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011552779] [2023-05-19 14:04:34,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011552779] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:34,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386016542] [2023-05-19 14:04:34,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:34,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:34,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:34,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:34,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 14:04:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:34,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 14:04:34,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:34,610 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 [2023-05-19 14:04:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:34,679 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:34,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2023-05-19 14:04:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:34,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386016542] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:34,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:34,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-19 14:04:34,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619980064] [2023-05-19 14:04:34,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:34,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 14:04:34,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:34,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 14:04:34,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-19 14:04:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:34,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:34,737 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) [2023-05-19 14:04:34,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:34,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:34,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:34,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:34,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:35,106 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 [2023-05-19 14:04:35,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:35,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1814880205, now seen corresponding path program 2 times [2023-05-19 14:04:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:35,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519237577] [2023-05-19 14:04:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:35,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:35,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519237577] [2023-05-19 14:04:35,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519237577] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:35,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539303209] [2023-05-19 14:04:35,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:04:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:35,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:35,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 14:04:35,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:04:35,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:35,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 14:04:35,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:35,605 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:35,607 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 [2023-05-19 14:04:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:35,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:35,754 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:35,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2023-05-19 14:04:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:04:35,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539303209] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:35,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:35,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-19 14:04:35,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753710337] [2023-05-19 14:04:35,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:35,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 14:04:35,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:35,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 14:04:35,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-19 14:04:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:35,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:35,835 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) [2023-05-19 14:04:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:35,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:35,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:35,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:36,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:36,320 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 [2023-05-19 14:04:36,320 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:36,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1511485995, now seen corresponding path program 3 times [2023-05-19 14:04:36,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:36,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316029559] [2023-05-19 14:04:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 14:04:36,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:36,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316029559] [2023-05-19 14:04:36,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316029559] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:36,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782888265] [2023-05-19 14:04:36,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 14:04:36,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:36,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:36,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:36,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 14:04:36,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 14:04:36,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:36,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 14:04:36,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:36,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:36,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:36,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2023-05-19 14:04:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 14:04:36,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:37,207 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:37,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2023-05-19 14:04:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 14:04:37,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782888265] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:37,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:37,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-05-19 14:04:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557462649] [2023-05-19 14:04:37,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:37,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-19 14:04:37,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-19 14:04:37,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2023-05-19 14:04:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:37,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:37,333 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) [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:37,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:38,073 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 [2023-05-19 14:04:38,075 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash 914677351, now seen corresponding path program 4 times [2023-05-19 14:04:38,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:38,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338406588] [2023-05-19 14:04:38,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 14:04:38,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:38,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338406588] [2023-05-19 14:04:38,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338406588] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:38,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850390732] [2023-05-19 14:04:38,596 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 14:04:38,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:38,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:38,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:38,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 14:04:38,641 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 14:04:38,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:38,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-19 14:04:38,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:39,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:39,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:39,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 36 [2023-05-19 14:04:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 14:04:39,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:40,001 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:40,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 98 treesize of output 284 [2023-05-19 14:04:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 165 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 14:04:40,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850390732] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:40,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:40,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-05-19 14:04:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508006155] [2023-05-19 14:04:40,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:40,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-19 14:04:40,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-19 14:04:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2023-05-19 14:04:40,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:40,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:40,271 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) [2023-05-19 14:04:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:04:41,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:42,045 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 [2023-05-19 14:04:42,045 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:42,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash 424989569, now seen corresponding path program 5 times [2023-05-19 14:04:42,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:42,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159938650] [2023-05-19 14:04:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:42,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 31 proven. 456 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 14:04:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159938650] [2023-05-19 14:04:43,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159938650] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141703489] [2023-05-19 14:04:43,253 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 14:04:43,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:43,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:43,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 14:04:43,299 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-05-19 14:04:43,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:43,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-19 14:04:43,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,233 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:45,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:45,241 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 [2023-05-19 14:04:45,266 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 31 proven. 456 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 14:04:45,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:46,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:46,548 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:46,549 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 [2023-05-19 14:04:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 34 proven. 453 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 14:04:46,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141703489] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:46,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:46,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 53 [2023-05-19 14:04:46,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385429812] [2023-05-19 14:04:46,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:46,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-19 14:04:46,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:46,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-19 14:04:46,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=2516, Unknown=0, NotChecked=0, Total=2862 [2023-05-19 14:04:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:46,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:46,874 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) [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:04:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:04:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:04:54,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 14:04:54,305 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 [2023-05-19 14:04:54,305 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:04:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:04:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1398213943, now seen corresponding path program 6 times [2023-05-19 14:04:54,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:04:54,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151635301] [2023-05-19 14:04:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:04:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:04:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:04:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 9 proven. 549 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 14:04:55,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:04:55,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151635301] [2023-05-19 14:04:55,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151635301] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:04:55,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575720234] [2023-05-19 14:04:55,330 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 14:04:55,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:04:55,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:04:55,332 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:04:55,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 14:04:55,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-05-19 14:04:55,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:04:55,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-19 14:04:55,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:04:57,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:04:57,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:04:57,269 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 [2023-05-19 14:04:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 14:04:57,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:04:58,665 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:04:58,666 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 [2023-05-19 14:04:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 3 proven. 555 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 14:04:59,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575720234] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:04:59,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:04:59,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2023-05-19 14:04:59,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642387976] [2023-05-19 14:04:59,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:04:59,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-19 14:04:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:04:59,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-19 14:04:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=2325, Unknown=0, NotChecked=0, Total=2652 [2023-05-19 14:04:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:04:59,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:04:59,727 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) [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:04:59,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:05:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:05:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:05:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:05:05,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 14:05:05,500 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 [2023-05-19 14:05:05,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:05:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:05:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash 37005305, now seen corresponding path program 7 times [2023-05-19 14:05:05,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:05:05,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826883136] [2023-05-19 14:05:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:05:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:05:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:05:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 47 proven. 1066 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-19 14:05:07,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:05:07,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826883136] [2023-05-19 14:05:07,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826883136] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:05:07,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531668232] [2023-05-19 14:05:07,915 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 14:05:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:05:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:05:07,916 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:05:07,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 14:05:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:05:07,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 98 conjunts are in the unsatisfiable core [2023-05-19 14:05:07,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:05:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,346 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,368 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:12,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:12,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 66 disjoint index pairs (out of 253 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 79 [2023-05-19 14:05:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 47 proven. 1066 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-19 14:05:12,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:05:16,026 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:05:16,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2023-05-19 14:05:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 50 proven. 1063 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-19 14:05:20,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531668232] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:05:20,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:05:20,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 75 [2023-05-19 14:05:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128936740] [2023-05-19 14:05:20,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:05:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-19 14:05:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:05:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-19 14:05:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=5094, Unknown=0, NotChecked=0, Total=5700 [2023-05-19 14:05:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:05:20,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:05:20,096 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) [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:05:20,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:05:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:05:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 14:05:32,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 14:05:33,053 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 [2023-05-19 14:05:33,054 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:05:33,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:05:33,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1307813807, now seen corresponding path program 8 times [2023-05-19 14:05:33,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:05:33,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930090266] [2023-05-19 14:05:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:05:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:05:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:05:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 13 proven. 1207 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 14:05:34,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:05:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930090266] [2023-05-19 14:05:34,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930090266] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:05:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221790108] [2023-05-19 14:05:34,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:05:34,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:05:34,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:05:34,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:05:34,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 14:05:34,897 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:05:34,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:05:34,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 100 conjunts are in the unsatisfiable core [2023-05-19 14:05:34,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:05:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:05:39,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:05:39,062 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 [2023-05-19 14:05:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 0 proven. 1220 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 14:05:39,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:05:42,611 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:05:42,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2023-05-19 14:05:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 3 proven. 1217 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 14:05:47,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221790108] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:05:47,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:05:47,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2023-05-19 14:05:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610477462] [2023-05-19 14:05:47,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:05:47,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-19 14:05:47,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:05:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-19 14:05:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=4677, Unknown=0, NotChecked=0, Total=5256 [2023-05-19 14:05:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:05:47,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:05:47,146 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) [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:05:47,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:05:47,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 14:05:47,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 14:06:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 14:06:05,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-19 14:06:05,481 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 [2023-05-19 14:06:05,481 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:06:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:06:05,482 INFO L85 PathProgramCache]: Analyzing trace with hash 74985901, now seen corresponding path program 9 times [2023-05-19 14:06:05,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:06:05,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305066629] [2023-05-19 14:06:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:06:05,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:06:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:06:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 71 proven. 2461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 14:06:10,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:06:10,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305066629] [2023-05-19 14:06:10,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305066629] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:06:10,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854433968] [2023-05-19 14:06:10,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 14:06:10,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:06:10,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:06:10,085 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:06:10,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 14:06:10,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2023-05-19 14:06:10,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:06:10,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 146 conjunts are in the unsatisfiable core [2023-05-19 14:06:10,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:06:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:06:22,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:06:22,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 153 disjoint index pairs (out of 595 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 115 [2023-05-19 14:06:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 71 proven. 2461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 14:06:22,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:06:33,724 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:06:33,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2023-05-19 14:06:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 74 proven. 2458 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 14:06:43,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854433968] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:06:43,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:06:43,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 40, 40] total 109 [2023-05-19 14:06:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763801215] [2023-05-19 14:06:43,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:06:43,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-19 14:06:43,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:06:43,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-19 14:06:43,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1134, Invalid=10856, Unknown=0, NotChecked=0, Total=11990 [2023-05-19 14:06:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:06:43,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:06:43,192 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) [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:06:43,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:06:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 14:06:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-19 14:06:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:07:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:07:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:07:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:07:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 14:07:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-19 14:07:31,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-19 14:07:31,925 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 [2023-05-19 14:07:31,926 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:07:31,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:07:31,926 INFO L85 PathProgramCache]: Analyzing trace with hash -768206597, now seen corresponding path program 10 times [2023-05-19 14:07:31,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:07:31,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147621944] [2023-05-19 14:07:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:07:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:07:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:07:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 107 proven. 5632 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-19 14:07:42,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:07:42,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147621944] [2023-05-19 14:07:42,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147621944] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:07:42,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703836134] [2023-05-19 14:07:42,718 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 14:07:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:07:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:07:42,719 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:07:42,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 14:07:42,803 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 14:07:42,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:07:42,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 218 conjunts are in the unsatisfiable core [2023-05-19 14:07:42,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:08:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,139 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,157 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,198 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,319 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:08:43,353 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:08:43,354 INFO L244 Elim1Store]: Index analysis took 233 ms [2023-05-19 14:08:43,356 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 [2023-05-19 14:08:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 107 proven. 5632 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-19 14:08:43,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:09:23,516 WARN L233 SmtUtils]: Spent 19.88s 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) [2023-05-19 14:09:23,518 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:09:23,521 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 [2023-05-19 14:10:57,635 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-19 14:10:57,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 14:10:57,835 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 [2023-05-19 14:10:57,836 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-19 14:10:57,838 INFO L158 Benchmark]: Toolchain (without parser) took 385303.39ms. Allocated memory was 207.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 166.8MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-19 14:10:57,838 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 207.6MB. Free memory was 168.0MB in the beginning and 168.0MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 14:10:57,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.49ms. Allocated memory is still 207.6MB. Free memory was 166.8MB in the beginning and 165.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 14:10:57,838 INFO L158 Benchmark]: Boogie Preprocessor took 13.93ms. Allocated memory is still 207.6MB. Free memory was 165.3MB in the beginning and 164.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 14:10:57,838 INFO L158 Benchmark]: RCFGBuilder took 210.02ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 154.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 14:10:57,839 INFO L158 Benchmark]: TraceAbstraction took 385057.82ms. Allocated memory was 207.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 153.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-19 14:10:57,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 207.6MB. Free memory was 168.0MB in the beginning and 168.0MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.49ms. Allocated memory is still 207.6MB. Free memory was 166.8MB in the beginning and 165.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.93ms. Allocated memory is still 207.6MB. Free memory was 165.3MB in the beginning and 164.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 210.02ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 154.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 385057.82ms. Allocated memory was 207.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 153.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). 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. [2023-05-19 14:10:57,862 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 [2023-05-19 14:10:58,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...