/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_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 17:29:56,542 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 17:29:56,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 17:29:56,658 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 17:29:56,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 17:29:56,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 17:29:56,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 17:29:56,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 17:29:56,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 17:29:56,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 17:29:56,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 17:29:56,661 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 17:29:56,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 17:29:56,662 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 17:29:56,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 17:29:56,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 17:29:56,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 17:29:56,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 17:29:56,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 17:29:56,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 17:29:56,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 17:29:56,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 17:29:56,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:29:56,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 17:29:56,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 17:29:56,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 17:29:56,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 17:29:56,666 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 17:29:56,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 17:29:56,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 17:29:56,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 17:29:56,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 17:29:56,925 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 17:29:56,928 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 17:29:56,928 INFO L432 ainManager$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 17:29:56,929 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 17:29:56,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 17:29:56,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 17:29:56,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 17:29:56,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 17:29:56,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 17:29:56,972 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 05:29:56" (1/1) ... [2023-05-19 17:29:56,979 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 05:29:56" (1/1) ... [2023-05-19 17:29:56,985 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 17:29:56,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 17:29:56,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 17:29:56,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 17:29:56,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 17:29:56,995 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 05:29:56" (1/1) ... [2023-05-19 17:29:56,995 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 05:29:56" (1/1) ... [2023-05-19 17:29:56,996 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 05:29:56" (1/1) ... [2023-05-19 17:29:56,997 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,000 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,003 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,003 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,004 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 17:29:57,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 17:29:57,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 17:29:57,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 17:29:57,008 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 05:29:56" (1/1) ... [2023-05-19 17:29:57,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:29:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:29:57,034 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 17:29:57,041 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 17:29:57,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 17:29:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 17:29:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 17:29:57,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 17:29:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 17:29:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 17:29:57,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 17:29:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 17:29:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 17:29:57,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 17:29:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 17:29:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 17:29:57,073 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 17:29:57,120 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 17:29:57,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 17:29:57,240 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 17:29:57,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 17:29:57,270 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 17:29:57,271 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 05:29:57 BoogieIcfgContainer [2023-05-19 17:29:57,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 17:29:57,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 17:29:57,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 17:29:57,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 17:29:57,282 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 05:29:56" (1/2) ... [2023-05-19 17:29:57,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f50358 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 05:29:57, skipping insertion in model container [2023-05-19 17:29:57,284 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 05:29:57" (2/2) ... [2023-05-19 17:29:57,287 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-19 17:29:57,294 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 17:29:57,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 17:29:57,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 17:29:57,303 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 17:29:57,361 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 17:29:57,426 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:29:57,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 17:29:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:29:57,428 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 17:29:57,448 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 17:29:57,483 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 17:29:57,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 17:29:57,512 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;@1c8fdcdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:29:57,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 17:29:57,672 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 17:29:57,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:29:57,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1815677611, now seen corresponding path program 1 times [2023-05-19 17:29:57,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:29:57,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3398400] [2023-05-19 17:29:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:57,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:29:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 17:29:57,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:29:57,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3398400] [2023-05-19 17:29:57,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3398400] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:29:57,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 17:29:57,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 17:29:57,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104025572] [2023-05-19 17:29:57,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:29:57,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 17:29:57,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:29:57,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 17:29:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 17:29:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:57,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:29:57,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 17:29:57,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:57,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 17:29:57,994 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 17:29:57,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:29:57,994 INFO L85 PathProgramCache]: Analyzing trace with hash -269834167, now seen corresponding path program 2 times [2023-05-19 17:29:57,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:29:57,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424043098] [2023-05-19 17:29:57,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:57,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:29:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 17:29:58,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:29:58,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424043098] [2023-05-19 17:29:58,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424043098] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:29:58,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 17:29:58,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 17:29:58,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11455730] [2023-05-19 17:29:58,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:29:58,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 17:29:58,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:29:58,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 17:29:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 17:29:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:29:58,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:29:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 17:29:58,066 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 17:29:58,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:29:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1237772363, now seen corresponding path program 1 times [2023-05-19 17:29:58,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:29:58,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120703537] [2023-05-19 17:29:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:58,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:29:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:29:58,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:29:58,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120703537] [2023-05-19 17:29:58,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120703537] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:29:58,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042071097] [2023-05-19 17:29:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:58,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:29:58,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:29:58,164 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 17:29:58,173 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 17:29:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:58,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-19 17:29:58,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:29:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:29:58,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 17:29:58,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042071097] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:29:58,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 17:29:58,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-05-19 17:29:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524868205] [2023-05-19 17:29:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:29:58,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 17:29:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:29:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 17:29:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-19 17:29:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:29:58,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:29:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 17:29:58,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-19 17:29:58,497 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 17:29:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:29:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash 78648111, now seen corresponding path program 2 times [2023-05-19 17:29:58,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:29:58,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623741790] [2023-05-19 17:29:58,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:29:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:58,581 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 17:29:58,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:29:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623741790] [2023-05-19 17:29:58,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623741790] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:29:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420998391] [2023-05-19 17:29:58,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:29:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:29:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:29:58,584 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 17:29:58,587 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 17:29:58,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:29:58,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:29:58,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 17:29:58,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:29:58,684 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 17:29:58,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:29:58,733 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 17:29:58,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420998391] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:29:58,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:29:58,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2023-05-19 17:29:58,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129144293] [2023-05-19 17:29:58,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:29:58,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 17:29:58,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:29:58,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 17:29:58,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 17:29:58,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:29:58,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 17:29:58,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:29:58,845 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 17:29:59,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:29:59,038 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 17:29:59,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:29:59,039 INFO L85 PathProgramCache]: Analyzing trace with hash -529877183, now seen corresponding path program 3 times [2023-05-19 17:29:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:29:59,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656160125] [2023-05-19 17:29:59,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:29:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:29:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:29:59,234 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 17:29:59,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:29:59,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656160125] [2023-05-19 17:29:59,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656160125] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:29:59,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070111920] [2023-05-19 17:29:59,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:29:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:29:59,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:29:59,237 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 17:29:59,268 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 17:29:59,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-19 17:29:59,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:29:59,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 17:29:59,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:29:59,409 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 17:29:59,438 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 17:29:59,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:29:59,491 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:29:59,491 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 17:29:59,594 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 17:29:59,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070111920] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:29:59,595 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:29:59,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-19 17:29:59,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971456969] [2023-05-19 17:29:59,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:29:59,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 17:29:59,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:29:59,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 17:29:59,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-19 17:29:59,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:59,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:29:59,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 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 17:29:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:29:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:29:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:29:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:29:59,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:29:59,826 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 17:30:00,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:00,013 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 17:30:00,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:00,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1425868383, now seen corresponding path program 4 times [2023-05-19 17:30:00,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:00,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387874016] [2023-05-19 17:30:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:00,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:00,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387874016] [2023-05-19 17:30:00,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387874016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:00,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958806556] [2023-05-19 17:30:00,066 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 17:30:00,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:00,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:00,068 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 17:30:00,070 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 17:30:00,100 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 17:30:00,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:00,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 17:30:00,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:00,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:00,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958806556] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:00,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:00,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-19 17:30:00,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531274010] [2023-05-19 17:30:00,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:00,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 17:30:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:00,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 17:30:00,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 17:30:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:00,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:00,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:00,218 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 17:30:00,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:00,415 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 17:30:00,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:00,415 INFO L85 PathProgramCache]: Analyzing trace with hash 935951871, now seen corresponding path program 3 times [2023-05-19 17:30:00,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:00,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244351462] [2023-05-19 17:30:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:00,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:00,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:00,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244351462] [2023-05-19 17:30:00,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244351462] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:00,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582976795] [2023-05-19 17:30:00,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:30:00,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:00,463 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 17:30:00,465 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 17:30:00,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-19 17:30:00,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:00,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 17:30:00,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 17:30:00,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 17:30:00,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582976795] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:30:00,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 17:30:00,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-05-19 17:30:00,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312039618] [2023-05-19 17:30:00,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:30:00,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 17:30:00,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:00,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 17:30:00,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 17:30:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:00,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:00,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:00,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-19 17:30:00,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:00,824 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 17:30:00,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash 916917297, now seen corresponding path program 4 times [2023-05-19 17:30:00,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:00,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642788796] [2023-05-19 17:30:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:01,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:01,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642788796] [2023-05-19 17:30:01,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642788796] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:01,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290507443] [2023-05-19 17:30:01,017 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 17:30:01,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:01,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:01,019 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 17:30:01,021 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 17:30:01,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 17:30:01,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:01,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 17:30:01,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:01,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:01,238 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 17:30:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:01,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:01,370 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:01,371 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 17:30:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:01,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290507443] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:01,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:01,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-19 17:30:01,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272940551] [2023-05-19 17:30:01,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:01,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 17:30:01,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:01,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 17:30:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-19 17:30:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:01,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:01,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 15 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:01,812 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 17:30:02,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:02,010 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 17:30:02,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:02,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1120607489, now seen corresponding path program 5 times [2023-05-19 17:30:02,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:02,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993826185] [2023-05-19 17:30:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:02,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:02,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993826185] [2023-05-19 17:30:02,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993826185] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:02,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868454729] [2023-05-19 17:30:02,380 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 17:30:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:02,381 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 17:30:02,403 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 17:30:02,418 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-19 17:30:02,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:02,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 17:30:02,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:02,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:02,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:02,713 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 17:30:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:02,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:02,982 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:02,982 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 17:30:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:03,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868454729] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:03,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:03,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-05-19 17:30:03,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852424181] [2023-05-19 17:30:03,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:03,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-19 17:30:03,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:03,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-19 17:30:03,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2023-05-19 17:30:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:03,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:03,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 21 states have internal predecessors, (73), 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 17:30:03,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:03,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:04,001 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 17:30:04,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 17:30:04,193 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 17:30:04,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:04,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1844724797, now seen corresponding path program 6 times [2023-05-19 17:30:04,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:04,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893577278] [2023-05-19 17:30:04,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:04,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 17:30:04,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:04,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893577278] [2023-05-19 17:30:04,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893577278] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:04,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025625907] [2023-05-19 17:30:04,796 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 17:30:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:04,797 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 17:30:04,805 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 17:30:04,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-19 17:30:04,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:04,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-19 17:30:04,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:05,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:05,527 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 17:30:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:05,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:06,183 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:06,184 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 17:30:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:06,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025625907] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:06,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:06,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 31 [2023-05-19 17:30:06,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176712217] [2023-05-19 17:30:06,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:06,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-19 17:30:06,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:06,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-19 17:30:06,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=813, Unknown=0, NotChecked=0, Total=992 [2023-05-19 17:30:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:06,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:06,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.625) internal successors, (116), 31 states have internal predecessors, (116), 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 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 17:30:08,493 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 17:30:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 17:30:08,685 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 17:30:08,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:08,685 INFO L85 PathProgramCache]: Analyzing trace with hash 939842647, now seen corresponding path program 7 times [2023-05-19 17:30:08,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:08,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620795157] [2023-05-19 17:30:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:08,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 18 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 17:30:09,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:09,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620795157] [2023-05-19 17:30:09,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620795157] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:09,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643063731] [2023-05-19 17:30:09,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 17:30:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:09,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:09,485 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 17:30:09,510 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 17:30:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:09,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-19 17:30:09,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,497 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:10,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:10,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 43 [2023-05-19 17:30:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 38 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:10,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:11,361 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:11,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2023-05-19 17:30:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 25 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:12,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643063731] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:12,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:12,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 16] total 37 [2023-05-19 17:30:12,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809916495] [2023-05-19 17:30:12,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:12,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 17:30:12,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:12,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 17:30:12,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 17:30:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:12,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:12,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.736842105263158) internal successors, (142), 37 states have internal predecessors, (142), 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 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 17:30:12,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:15,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:15,210 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 17:30:15,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 17:30:15,395 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 17:30:15,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:15,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1521615047, now seen corresponding path program 8 times [2023-05-19 17:30:15,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:15,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838218983] [2023-05-19 17:30:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:15,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 21 proven. 109 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 17:30:15,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:15,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838218983] [2023-05-19 17:30:15,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838218983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:15,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724262434] [2023-05-19 17:30:15,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:30:15,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:15,750 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 17:30:15,773 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 17:30:15,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:30:15,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:15,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-19 17:30:15,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:16,147 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:16,149 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:16,150 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:16,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2023-05-19 17:30:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 31 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 17:30:16,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:16,637 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:16,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 80 treesize of output 190 [2023-05-19 17:30:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 21 proven. 109 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 17:30:16,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724262434] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:16,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:16,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2023-05-19 17:30:16,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198295640] [2023-05-19 17:30:16,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:16,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-19 17:30:16,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:16,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-19 17:30:16,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2023-05-19 17:30:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:16,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:16,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 27 states have internal predecessors, (107), 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 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:16,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:17,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 17:30:17,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 17:30:17,805 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 17:30:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:17,805 INFO L85 PathProgramCache]: Analyzing trace with hash 349820941, now seen corresponding path program 9 times [2023-05-19 17:30:17,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:17,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842358032] [2023-05-19 17:30:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:17,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 10 proven. 195 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 17:30:18,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:18,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842358032] [2023-05-19 17:30:18,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842358032] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:18,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780685276] [2023-05-19 17:30:18,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:30:18,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:18,732 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 17:30:18,748 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 17:30:18,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-19 17:30:18,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:18,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-19 17:30:18,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:20,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:20,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 21 disjoint index pairs (out of 78 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 48 [2023-05-19 17:30:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 30 proven. 181 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 17:30:20,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:21,170 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:21,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2023-05-19 17:30:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 35 proven. 176 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 17:30:22,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780685276] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:22,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:22,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 43 [2023-05-19 17:30:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937933412] [2023-05-19 17:30:22,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:22,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-19 17:30:22,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-19 17:30:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1618, Unknown=0, NotChecked=0, Total=1892 [2023-05-19 17:30:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:22,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:22,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.8636363636363638) internal successors, (170), 43 states have internal predecessors, (170), 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 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:26,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 17:30:27,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 17:30:27,120 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:30:27,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash 688610859, now seen corresponding path program 10 times [2023-05-19 17:30:27,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:27,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497081525] [2023-05-19 17:30:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 26 proven. 233 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 17:30:28,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:28,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497081525] [2023-05-19 17:30:28,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497081525] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:28,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359537460] [2023-05-19 17:30:28,195 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 17:30:28,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:28,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:28,196 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 17:30:28,197 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 17:30:28,227 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 17:30:28,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:28,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-19 17:30:28,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:29,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,702 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,706 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:29,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:29,710 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 147 treesize of output 55 [2023-05-19 17:30:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 46 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:29,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:31,122 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:31,123 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 17:30:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 48 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:32,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359537460] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:32,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:32,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 20] total 50 [2023-05-19 17:30:32,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354989246] [2023-05-19 17:30:32,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:32,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-19 17:30:32,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-19 17:30:32,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=2211, Unknown=0, NotChecked=0, Total=2550 [2023-05-19 17:30:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:32,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:32,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.7058823529411766) internal successors, (189), 50 states have internal predecessors, (189), 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 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:32,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:30:38,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-19 17:30:38,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-19 17:30:38,737 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:30:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:38,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1845419073, now seen corresponding path program 11 times [2023-05-19 17:30:38,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:38,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378937487] [2023-05-19 17:30:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:38,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 342 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 17:30:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:40,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378937487] [2023-05-19 17:30:40,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378937487] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:40,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126747918] [2023-05-19 17:30:40,008 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 17:30:40,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:40,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:40,009 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:30:40,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 17:30:40,048 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-19 17:30:40,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:40,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-19 17:30:40,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,983 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:41,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,003 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:42,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:42,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 48 [2023-05-19 17:30:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 328 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 17:30:42,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:43,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:43,671 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:43,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 174 treesize of output 504 [2023-05-19 17:30:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 64 proven. 297 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 17:30:44,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126747918] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:44,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:44,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 57 [2023-05-19 17:30:44,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229899903] [2023-05-19 17:30:44,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:44,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-19 17:30:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:44,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-19 17:30:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=2907, Unknown=0, NotChecked=0, Total=3306 [2023-05-19 17:30:44,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:44,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:44,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.9310344827586206) internal successors, (228), 57 states have internal predecessors, (228), 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 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:30:44,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:30:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:30:48,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 17:30:48,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:48,675 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:30:48,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:30:48,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1238846779, now seen corresponding path program 12 times [2023-05-19 17:30:48,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:30:48,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493543996] [2023-05-19 17:30:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:30:48,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:30:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:30:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 33 proven. 387 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 17:30:49,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:30:49,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493543996] [2023-05-19 17:30:49,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493543996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:30:49,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671366427] [2023-05-19 17:30:49,970 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 17:30:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:30:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:30:49,971 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:30:49,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 17:30:50,013 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-19 17:30:50,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:30:50,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-19 17:30:50,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:30:52,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:30:52,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:30:52,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 60 [2023-05-19 17:30:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 53 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:30:52,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:30:53,881 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:30:53,882 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2023-05-19 17:30:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 84 proven. 342 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 17:30:55,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671366427] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:30:55,911 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:30:55,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 22] total 57 [2023-05-19 17:30:55,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588494101] [2023-05-19 17:30:55,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:30:55,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-19 17:30:55,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:30:55,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-19 17:30:55,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=2893, Unknown=0, NotChecked=0, Total=3306 [2023-05-19 17:30:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:30:55,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:30:55,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.9310344827586206) internal successors, (228), 57 states have internal predecessors, (228), 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 17:30:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:30:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:31:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:31:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-19 17:31:04,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 17:31:04,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-19 17:31:04,649 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:31:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:31:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1481756971, now seen corresponding path program 13 times [2023-05-19 17:31:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:31:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672283450] [2023-05-19 17:31:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:31:04,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:31:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:31:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 38 proven. 478 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 17:31:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:31:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672283450] [2023-05-19 17:31:06,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672283450] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:31:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400593917] [2023-05-19 17:31:06,185 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 17:31:06,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:31:06,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:31:06,189 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:31:06,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 17:31:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:31:06,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 94 conjunts are in the unsatisfiable core [2023-05-19 17:31:06,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:31:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:09,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:09,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 45 disjoint index pairs (out of 171 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 67 [2023-05-19 17:31:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 58 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:31:09,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:31:11,494 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:31:11,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2023-05-19 17:31:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 125 proven. 397 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 17:31:14,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400593917] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:31:14,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:31:14,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29, 24] total 65 [2023-05-19 17:31:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969774754] [2023-05-19 17:31:14,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:31:14,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-19 17:31:14,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:31:14,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-19 17:31:14,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=3785, Unknown=0, NotChecked=0, Total=4290 [2023-05-19 17:31:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:31:14,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:31:14,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.772727272727273) internal successors, (249), 65 states have internal predecessors, (249), 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 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:14,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-05-19 17:31:14,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:31:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-19 17:31:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-19 17:31:25,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-19 17:31:25,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-19 17:31:25,423 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:31:25,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:31:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash 279497483, now seen corresponding path program 14 times [2023-05-19 17:31:25,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:31:25,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558383520] [2023-05-19 17:31:25,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:31:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:31:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:31:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 18 proven. 626 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-19 17:31:27,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:31:27,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558383520] [2023-05-19 17:31:27,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558383520] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:31:27,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77399725] [2023-05-19 17:31:27,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:31:27,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:31:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:31:27,702 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:31:27,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-19 17:31:27,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:31:27,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:31:27,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-19 17:31:27,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:31:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:31:31,106 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:31:31,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 72 [2023-05-19 17:31:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 38 proven. 612 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-19 17:31:31,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:31:34,073 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:31:34,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 212 treesize of output 1274 [2023-05-19 17:31:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 152 proven. 498 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-19 17:31:38,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77399725] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:31:38,618 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:31:38,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 26] total 66 [2023-05-19 17:31:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227591359] [2023-05-19 17:31:38,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:31:38,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-19 17:31:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:31:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-19 17:31:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=3929, Unknown=0, NotChecked=0, Total=4422 [2023-05-19 17:31:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:31:38,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:31:38,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 3.955223880597015) internal successors, (265), 66 states have internal predecessors, (265), 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 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-19 17:31:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-19 17:31:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-19 17:31:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-19 17:31:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-19 17:31:54,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-19 17:31:54,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-19 17:31:54,484 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:31:54,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:31:54,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1295279447, now seen corresponding path program 15 times [2023-05-19 17:31:54,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:31:54,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729099387] [2023-05-19 17:31:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:31:54,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:31:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:31:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 46 proven. 695 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 17:31:56,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:31:56,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729099387] [2023-05-19 17:31:56,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729099387] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:31:56,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559204055] [2023-05-19 17:31:56,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:31:56,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:31:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:31:56,973 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:31:56,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-19 17:31:57,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2023-05-19 17:31:57,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:31:57,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 109 conjunts are in the unsatisfiable core [2023-05-19 17:31:57,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:32:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,106 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,116 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,117 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:32:16,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:32:16,119 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 211 treesize of output 79 [2023-05-19 17:32:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 59 proven. 688 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 17:32:16,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:33:58,256 WARN L233 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 2421 DAG size of output: 2410 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 17:33:58,268 INFO L356 Elim1Store]: treesize reduction 30, result has 99.6 percent of original size [2023-05-19 17:33:58,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 344 treesize of output 7096 Received shutdown request... [2023-05-19 17:43:32,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:43:32,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:43:32,569 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 17:43:32,570 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 17:43:32,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-19 17:43:32,588 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:43:32,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:43:32,771 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 118 with TraceHistMax 19,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 33ms.. [2023-05-19 17:43:32,773 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 17:43:32,773 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 17:43:32,773 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 17:43:32,780 INFO L444 BasicCegarLoop]: Path program histogram: [15, 4] [2023-05-19 17:43:32,783 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 17:43:32,783 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 17:43:32,785 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 05:43:32 BasicIcfg [2023-05-19 17:43:32,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 17:43:32,785 INFO L158 Benchmark]: Toolchain (without parser) took 815823.70ms. Allocated memory was 186.6MB in the beginning and 1.1GB in the end (delta: 951.1MB). Free memory was 147.8MB in the beginning and 837.7MB in the end (delta: -689.9MB). Peak memory consumption was 779.3MB. Max. memory is 8.0GB. [2023-05-19 17:43:32,786 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 17:43:32,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.82ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 146.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 17:43:32,786 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 145.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 17:43:32,786 INFO L158 Benchmark]: RCFGBuilder took 265.31ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 134.9MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 17:43:32,786 INFO L158 Benchmark]: TraceAbstraction took 815506.18ms. Allocated memory was 186.6MB in the beginning and 1.1GB in the end (delta: 951.1MB). Free memory was 133.7MB in the beginning and 837.7MB in the end (delta: -704.0MB). Peak memory consumption was 763.6MB. Max. memory is 8.0GB. [2023-05-19 17:43:32,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.82ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 146.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 145.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 265.31ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 134.9MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 815506.18ms. Allocated memory was 186.6MB in the beginning and 1.1GB in the end (delta: 951.1MB). Free memory was 133.7MB in the beginning and 837.7MB in the end (delta: -704.0MB). Peak memory consumption was 763.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 61458, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 16433, dependent conditional: 16425, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48534, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 3509, dependent conditional: 3501, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48534, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 3509, dependent conditional: 3501, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 44227, dependent unconditional: 5050, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 16656, dependent unconditional: 32621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 16656, dependent unconditional: 32621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1867, independent: 1084, independent conditional: 728, independent unconditional: 356, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1867, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 1515, dependent conditional: 0, dependent unconditional: 1515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1515, independent: 732, independent conditional: 728, independent unconditional: 4, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1515, independent: 732, independent conditional: 728, independent unconditional: 4, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2899, independent: 1229, independent conditional: 1213, independent unconditional: 16, dependent: 1669, dependent conditional: 1596, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 94302, independent: 43941, independent conditional: 813, independent unconditional: 43128, dependent: 48494, dependent conditional: 15884, dependent unconditional: 32610, unknown: 1867, unknown conditional: 1500, unknown unconditional: 367] , Statistics on independence cache: Total cache size (in pairs): 1867, Positive cache size: 1084, Positive conditional cache size: 728, Positive unconditional cache size: 356, Negative cache size: 783, Negative conditional cache size: 772, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27571, Maximal queried relation: 17, Independence queries for same thread: 12924 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 92, Number of trivial persistent sets: 45, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 444, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 61458, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 16433, dependent conditional: 16425, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48534, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 3509, dependent conditional: 3501, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48534, independent: 45025, independent conditional: 44589, independent unconditional: 436, dependent: 3509, dependent conditional: 3501, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 44227, dependent unconditional: 5050, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 16656, dependent unconditional: 32621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94302, independent: 45025, independent conditional: 1541, independent unconditional: 43484, dependent: 49277, dependent conditional: 16656, dependent unconditional: 32621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1867, independent: 1084, independent conditional: 728, independent unconditional: 356, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1867, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 1515, dependent conditional: 0, dependent unconditional: 1515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1515, independent: 732, independent conditional: 728, independent unconditional: 4, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1515, independent: 732, independent conditional: 728, independent unconditional: 4, dependent: 783, dependent conditional: 772, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2899, independent: 1229, independent conditional: 1213, independent unconditional: 16, dependent: 1669, dependent conditional: 1596, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 94302, independent: 43941, independent conditional: 813, independent unconditional: 43128, dependent: 48494, dependent conditional: 15884, dependent unconditional: 32610, unknown: 1867, unknown conditional: 1500, unknown unconditional: 367] , Statistics on independence cache: Total cache size (in pairs): 1867, Positive cache size: 1084, Positive conditional cache size: 728, Positive unconditional cache size: 356, Negative cache size: 783, Negative conditional cache size: 772, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27571, Maximal queried relation: 17, Independence queries for same thread: 12924 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 118 with TraceHistMax 19,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 33ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 118 with TraceHistMax 19,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 33ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 118 with TraceHistMax 19,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 33ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 118 with TraceHistMax 19,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 33ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 815.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 57.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 855, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 55.2s InterpolantComputationTime, 1876 NumberOfCodeBlocks, 1876 NumberOfCodeBlocksAsserted, 73 NumberOfCheckSat, 2682 ConstructedInterpolants, 123 QuantifiedInterpolants, 107052 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1948 ConjunctsInSsa, 667 ConjunctsInUnsatCore, 48 InterpolantComputations, 4 PerfectInterpolantSequences, 1422/8744 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown