/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 19:58:34,656 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 19:58:34,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 19:58:34,733 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 19:58:34,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 19:58:34,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 19:58:34,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 19:58:34,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 19:58:34,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 19:58:34,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 19:58:34,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 19:58:34,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 19:58:34,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 19:58:34,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 19:58:34,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 19:58:34,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 19:58:34,737 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 19:58:34,738 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 19:58:34,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 19:58:34,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 19:58:34,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 19:58:34,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 19:58:34,936 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 19:58:34,936 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 19:58:34,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2023-05-03 19:58:34,937 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2023-05-03 19:58:34,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 19:58:34,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 19:58:34,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 19:58:34,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 19:58:34,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 19:58:34,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,972 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 19:58:34,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 19:58:34,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 19:58:34,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 19:58:34,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 19:58:34,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 19:58:34,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 19:58:34,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 19:58:34,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 19:58:34,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/1) ... [2023-05-03 19:58:34,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 19:58:35,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:35,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-03 19:58:35,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-03 19:58:35,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 19:58:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 19:58:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 19:58:35,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 19:58:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 19:58:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 19:58:35,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 19:58:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 19:58:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 19:58:35,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 19:58:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 19:58:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 19:58:35,050 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 19:58:35,082 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 19:58:35,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 19:58:35,151 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 19:58:35,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 19:58:35,164 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 19:58:35,165 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:58:35 BoogieIcfgContainer [2023-05-03 19:58:35,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 19:58:35,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 19:58:35,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 19:58:35,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 19:58:35,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:58:34" (1/2) ... [2023-05-03 19:58:35,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715ff33b and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:58:35, skipping insertion in model container [2023-05-03 19:58:35,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:58:35" (2/2) ... [2023-05-03 19:58:35,171 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-03 19:58:35,176 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 19:58:35,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 19:58:35,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 19:58:35,182 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 19:58:35,224 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 19:58:35,252 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 19:58:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 19:58:35,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:35,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 19:58:35,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 19:58:35,294 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 19:58:35,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 19:58:35,311 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;@40712525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 19:58:35,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 19:58:35,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:35,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash 979993785, now seen corresponding path program 1 times [2023-05-03 19:58:35,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:35,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048723931] [2023-05-03 19:58:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:35,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:58:35,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:35,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048723931] [2023-05-03 19:58:35,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048723931] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 19:58:35,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 19:58:35,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 19:58:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14521217] [2023-05-03 19:58:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 19:58:35,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 19:58:35,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:35,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 19:58:35,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 19:58:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:35,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:35,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 19:58:35,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:35,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:35,741 INFO L85 PathProgramCache]: Analyzing trace with hash 350911409, now seen corresponding path program 1 times [2023-05-03 19:58:35,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:35,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419328548] [2023-05-03 19:58:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:58:35,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:35,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419328548] [2023-05-03 19:58:35,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419328548] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 19:58:35,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 19:58:35,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-03 19:58:35,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210802767] [2023-05-03 19:58:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 19:58:35,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 19:58:35,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:35,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 19:58:35,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 19:58:35,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:35,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:35,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 19:58:35,853 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:35,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:35,853 INFO L85 PathProgramCache]: Analyzing trace with hash 318848619, now seen corresponding path program 1 times [2023-05-03 19:58:35,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:35,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408792217] [2023-05-03 19:58:35,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:35,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 19:58:35,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:35,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408792217] [2023-05-03 19:58:35,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408792217] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 19:58:35,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 19:58:35,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 19:58:35,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002157770] [2023-05-03 19:58:35,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 19:58:35,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 19:58:35,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:35,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 19:58:35,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 19:58:35,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:35,895 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) [2023-05-03 19:58:35,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:35,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 19:58:35,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2134574453, now seen corresponding path program 2 times [2023-05-03 19:58:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:35,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314640945] [2023-05-03 19:58:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:58:35,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:35,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314640945] [2023-05-03 19:58:35,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314640945] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:35,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645952963] [2023-05-03 19:58:35,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 19:58:35,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:35,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:35,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:36,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 19:58:36,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 19:58:36,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:36,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-03 19:58:36,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:58:36,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:58:36,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645952963] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:36,125 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:36,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-03 19:58:36,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970521517] [2023-05-03 19:58:36,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:36,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 19:58:36,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:36,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 19:58:36,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 19:58:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:36,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:36,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:36,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:36,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:36,385 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,SelfDestructingSolverStorable3 [2023-05-03 19:58:36,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:36,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1361431211, now seen corresponding path program 2 times [2023-05-03 19:58:36,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:36,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762809192] [2023-05-03 19:58:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:58:36,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762809192] [2023-05-03 19:58:36,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762809192] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:36,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821353060] [2023-05-03 19:58:36,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 19:58:36,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:36,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:36,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:36,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 19:58:36,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 19:58:36,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:36,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-03 19:58:36,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:36,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-05-03 19:58:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:58:36,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:36,817 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:58:36,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2023-05-03 19:58:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:58:36,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821353060] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:36,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:36,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-03 19:58:36,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517004613] [2023-05-03 19:58:36,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:36,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 19:58:36,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:36,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 19:58:36,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-03 19:58:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:36,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:36,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:37,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:37,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:37,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:37,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:37,285 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:37,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash 856219861, now seen corresponding path program 3 times [2023-05-03 19:58:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:37,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448077208] [2023-05-03 19:58:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:58:37,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:37,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448077208] [2023-05-03 19:58:37,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448077208] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:37,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722324467] [2023-05-03 19:58:37,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 19:58:37,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:37,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:37,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:37,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 19:58:37,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 19:58:37,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:37,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 19:58:37,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:37,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:37,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2023-05-03 19:58:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:58:37,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:38,001 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:58:38,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2023-05-03 19:58:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:58:38,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722324467] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:38,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:38,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-03 19:58:38,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839196708] [2023-05-03 19:58:38,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:38,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 19:58:38,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:38,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 19:58:38,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-03 19:58:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:38,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:38,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 15 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) [2023-05-03 19:58:38,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:38,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:38,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:38,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:38,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:38,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:38,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:38,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1779288703, now seen corresponding path program 4 times [2023-05-03 19:58:38,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:38,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470499646] [2023-05-03 19:58:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 19:58:38,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:38,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470499646] [2023-05-03 19:58:38,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470499646] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:38,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397130297] [2023-05-03 19:58:38,856 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 19:58:38,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:38,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:38,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:38,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 19:58:38,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 19:58:38,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:38,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-03 19:58:38,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:39,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:39,220 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:39,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:39,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:39,222 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 56 treesize of output 24 [2023-05-03 19:58:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:58:39,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:39,493 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:58:39,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2023-05-03 19:58:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 19:58:39,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397130297] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:39,633 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:39,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 22 [2023-05-03 19:58:39,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160691040] [2023-05-03 19:58:39,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:39,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-03 19:58:39,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:39,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-03 19:58:39,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-05-03 19:58:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:39,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:39,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.217391304347826) internal successors, (97), 22 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:58:40,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:40,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:40,503 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:40,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:40,503 INFO L85 PathProgramCache]: Analyzing trace with hash -726951853, now seen corresponding path program 5 times [2023-05-03 19:58:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:40,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107875229] [2023-05-03 19:58:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:40,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 10 proven. 173 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:58:41,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:41,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107875229] [2023-05-03 19:58:41,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107875229] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:41,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249577640] [2023-05-03 19:58:41,105 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 19:58:41,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:41,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:41,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:41,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 19:58:41,172 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-03 19:58:41,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:41,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-03 19:58:41,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:42,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:42,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 36 [2023-05-03 19:58:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:58:42,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:42,728 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:58:42,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 98 treesize of output 284 [2023-05-03 19:58:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 171 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:58:43,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249577640] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:43,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:43,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-05-03 19:58:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426757794] [2023-05-03 19:58:43,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:43,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-03 19:58:43,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-03 19:58:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2023-05-03 19:58:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:43,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:43,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.411764705882353) internal successors, (150), 33 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:58:43,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:58:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 19:58:44,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:45,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:45,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash 545693521, now seen corresponding path program 6 times [2023-05-03 19:58:45,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:45,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851170127] [2023-05-03 19:58:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:45,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:58:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 16 proven. 468 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 19:58:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:58:46,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851170127] [2023-05-03 19:58:46,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851170127] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:58:46,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731794668] [2023-05-03 19:58:46,499 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 19:58:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:58:46,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:58:46,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 19:58:46,580 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-05-03 19:58:46,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:58:46,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-03 19:58:46,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:58:48,822 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:58:48,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:58:48,841 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 [2023-05-03 19:58:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 19 proven. 474 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:58:48,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:58:50,353 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:58:50,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2023-05-03 19:58:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 17 proven. 467 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 19:58:51,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731794668] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:58:51,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:58:51,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26, 20] total 55 [2023-05-03 19:58:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099473155] [2023-05-03 19:58:51,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:58:51,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-03 19:58:51,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:58:51,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-03 19:58:51,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=2720, Unknown=0, NotChecked=0, Total=3080 [2023-05-03 19:58:51,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:51,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:58:51,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.232142857142857) internal successors, (237), 55 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-03 19:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:58:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 19:58:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:58:58,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 19:58:59,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:58:59,144 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 19:58:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:58:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1722724215, now seen corresponding path program 7 times [2023-05-03 19:58:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:58:59,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256073319] [2023-05-03 19:58:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:58:59,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:58:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:59:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 30 proven. 1718 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-03 19:59:02,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:59:02,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256073319] [2023-05-03 19:59:02,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256073319] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:59:02,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624299764] [2023-05-03 19:59:02,928 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 19:59:02,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:59:02,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:59:02,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:59:02,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 19:59:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:59:02,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-03 19:59:02,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:59:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 19:59:12,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 19:59:12,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 29 select indices, 29 select index equivalence classes, 105 disjoint index pairs (out of 406 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 96 [2023-05-03 19:59:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 33 proven. 1734 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:59:12,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:59:19,442 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 19:59:19,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2023-05-03 19:59:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 32 proven. 1716 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-03 19:59:30,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624299764] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:59:30,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:59:30,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 47, 34] total 100 [2023-05-03 19:59:30,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893190447] [2023-05-03 19:59:30,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:59:30,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-05-03 19:59:30,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:59:30,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-05-03 19:59:30,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=9192, Unknown=0, NotChecked=0, Total=10100 [2023-05-03 19:59:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:59:30,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:59:30,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.287128712871287) internal successors, (433), 100 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:59:30,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 20:00:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 20:00:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-03 20:00:14,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 20:00:15,165 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,SelfDestructingSolverStorable9 [2023-05-03 20:00:15,167 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:00:15,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:00:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1534198339, now seen corresponding path program 8 times [2023-05-03 20:00:15,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:00:15,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614397809] [2023-05-03 20:00:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:00:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:00:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:00:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 58 proven. 6569 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-05-03 20:00:30,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:00:30,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614397809] [2023-05-03 20:00:30,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614397809] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:00:30,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104269662] [2023-05-03 20:00:30,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:00:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:00:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:00:30,226 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:00:30,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 20:00:30,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:00:30,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:00:30,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 294 conjunts are in the unsatisfiable core [2023-05-03 20:00:30,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:01:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,492 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,502 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,516 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,587 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,616 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:01:47,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:01:47,625 INFO L244 Elim1Store]: Index analysis took 289 ms [2023-05-03 20:01:47,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 406 disjoint index pairs (out of 1596 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 524 treesize of output 180 [2023-05-03 20:01:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 61 proven. 6606 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:01:47,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:02:43,527 WARN L233 SmtUtils]: Spent 28.26s on a formula simplification that was a NOOP. DAG size: 2725 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 20:02:43,538 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:02:43,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 0 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 1653 case distinctions, treesize of input 554 treesize of output 8564 [2023-05-03 20:05:14,946 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-03 20:05:14,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 20:05:15,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:05:15,147 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-03 20:05:15,150 INFO L158 Benchmark]: Toolchain (without parser) took 400196.01ms. Allocated memory was 186.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 146.2MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-03 20:05:15,151 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 186.6MB. Free memory was 147.4MB in the beginning and 147.3MB in the end (delta: 147.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 20:05:15,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.71ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-03 20:05:15,151 INFO L158 Benchmark]: Boogie Preprocessor took 14.90ms. Allocated memory is still 186.6MB. Free memory was 144.6MB in the beginning and 143.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:05:15,151 INFO L158 Benchmark]: RCFGBuilder took 176.03ms. Allocated memory is still 186.6MB. Free memory was 143.5MB in the beginning and 133.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 20:05:15,152 INFO L158 Benchmark]: TraceAbstraction took 399982.46ms. Allocated memory was 186.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 132.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-03 20:05:15,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 186.6MB. Free memory was 147.4MB in the beginning and 147.3MB in the end (delta: 147.1kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.71ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.90ms. Allocated memory is still 186.6MB. Free memory was 144.6MB in the beginning and 143.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 176.03ms. Allocated memory is still 186.6MB. Free memory was 143.5MB in the beginning and 133.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 399982.46ms. Allocated memory was 186.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 132.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-03 20:05:15,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-03 20:05:15,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...