/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-32214ab [2023-05-19 15:49:24,372 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 15:49:24,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 15:49:24,457 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 15:49:24,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 15:49:24,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 15:49:24,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 15:49:24,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 15:49:24,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 15:49:24,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 15:49:24,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 15:49:24,458 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 15:49:24,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 15:49:24,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 15:49:24,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 15:49:24,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 15:49:24,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 15:49:24,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 15:49:24,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 15:49:24,461 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 15:49:24,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-19 15:49:24,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 15:49:24,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 15:49:24,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 15:49:24,644 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 15:49:24,644 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 15:49:24,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2023-05-19 15:49:24,645 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2023-05-19 15:49:24,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 15:49:24,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 15:49:24,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 15:49:24,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 15:49:24,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 15:49:24,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,682 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 15:49:24,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 15:49:24,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 15:49:24,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 15:49:24,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 15:49:24,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 15:49:24,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 15:49:24,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 15:49:24,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 15:49:24,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/1) ... [2023-05-19 15:49:24,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 15:49:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:24,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 15:49:24,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 15:49:24,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 15:49:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 15:49:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 15:49:24,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 15:49:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 15:49:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 15:49:24,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 15:49:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 15:49:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 15:49:24,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 15:49:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 15:49:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 15:49:24,750 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 15:49:24,783 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 15:49:24,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 15:49:24,854 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 15:49:24,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 15:49:24,867 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 15:49:24,875 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 03:49:24 BoogieIcfgContainer [2023-05-19 15:49:24,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 15:49:24,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 15:49:24,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 15:49:24,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 15:49:24,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 03:49:24" (1/2) ... [2023-05-19 15:49:24,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a305b6b and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 03:49:24, skipping insertion in model container [2023-05-19 15:49:24,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 03:49:24" (2/2) ... [2023-05-19 15:49:24,883 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2023-05-19 15:49:24,888 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 15:49:24,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 15:49:24,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 15:49:24,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 15:49:24,942 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 15:49:24,970 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 15:49:24,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 15:49:24,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:24,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 15:49:25,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 15:49:25,031 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 15:49:25,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 15:49:25,058 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;@5e5fae06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 15:49:25,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 15:49:25,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:25,188 INFO L85 PathProgramCache]: Analyzing trace with hash 979993785, now seen corresponding path program 1 times [2023-05-19 15:49:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:25,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266854024] [2023-05-19 15:49:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:49:25,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:25,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266854024] [2023-05-19 15:49:25,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266854024] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:49:25,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:49:25,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 15:49:25,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005852943] [2023-05-19 15:49:25,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:49:25,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:49:25,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:25,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:49:25,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:49:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:25,382 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) [2023-05-19 15:49:25,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 15:49:25,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:25,507 INFO L85 PathProgramCache]: Analyzing trace with hash 350911409, now seen corresponding path program 1 times [2023-05-19 15:49:25,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:25,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423967413] [2023-05-19 15:49:25,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 15:49:25,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:25,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423967413] [2023-05-19 15:49:25,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423967413] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:49:25,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:49:25,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 15:49:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581963148] [2023-05-19 15:49:25,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:49:25,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:49:25,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:25,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:49:25,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:49:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:25,594 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) [2023-05-19 15:49:25,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 15:49:25,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:25,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:25,630 INFO L85 PathProgramCache]: Analyzing trace with hash 318848619, now seen corresponding path program 1 times [2023-05-19 15:49:25,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:25,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127469144] [2023-05-19 15:49:25,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:25,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 15:49:25,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:25,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127469144] [2023-05-19 15:49:25,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127469144] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 15:49:25,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 15:49:25,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 15:49:25,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041466144] [2023-05-19 15:49:25,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 15:49:25,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 15:49:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 15:49:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 15:49:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:25,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:49:25,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 15:49:25,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2134574453, now seen corresponding path program 2 times [2023-05-19 15:49:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:25,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784023801] [2023-05-19 15:49:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:25,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:49:25,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:25,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784023801] [2023-05-19 15:49:25,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784023801] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:25,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793090148] [2023-05-19 15:49:25,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:49:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:25,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:25,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 15:49:25,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:49:25,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:25,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 15:49:25,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:49:25,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 15:49:25,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793090148] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:25,850 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:25,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2023-05-19 15:49:25,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077644394] [2023-05-19 15:49:25,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:25,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 15:49:25,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:25,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 15:49:25,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 15:49:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:25,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 15:49:25,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:25,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 15:49:26,127 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 [2023-05-19 15:49:26,128 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:26,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1361431211, now seen corresponding path program 2 times [2023-05-19 15:49:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:26,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698379172] [2023-05-19 15:49:26,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:49:26,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:26,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698379172] [2023-05-19 15:49:26,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698379172] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:26,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375530837] [2023-05-19 15:49:26,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:49:26,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:26,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:26,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:26,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 15:49:26,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:49:26,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:26,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 15:49:26,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:26,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-05-19 15:49:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:49:26,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:26,512 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:49:26,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2023-05-19 15:49:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 15:49:26,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375530837] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:26,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:26,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-05-19 15:49:26,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073767807] [2023-05-19 15:49:26,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:26,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 15:49:26,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:26,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 15:49:26,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-19 15:49:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:26,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:26,589 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) [2023-05-19 15:49:26,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:26,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:26,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 15:49:26,946 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 [2023-05-19 15:49:26,946 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:26,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:26,947 INFO L85 PathProgramCache]: Analyzing trace with hash 856219861, now seen corresponding path program 3 times [2023-05-19 15:49:26,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:26,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747364802] [2023-05-19 15:49:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:27,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:27,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747364802] [2023-05-19 15:49:27,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747364802] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:27,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020955357] [2023-05-19 15:49:27,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 15:49:27,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:27,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:27,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 15:49:27,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 15:49:27,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:27,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 15:49:27,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:27,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:27,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2023-05-19 15:49:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:27,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:27,597 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:49:27,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2023-05-19 15:49:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:27,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020955357] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:27,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:27,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-05-19 15:49:27,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974484213] [2023-05-19 15:49:27,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:27,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 15:49:27,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 15:49:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-19 15:49:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:27,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:27,675 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) [2023-05-19 15:49:27,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:27,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:27,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 15:49:28,058 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 [2023-05-19 15:49:28,059 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:28,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:28,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1779288703, now seen corresponding path program 4 times [2023-05-19 15:49:28,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:28,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261688636] [2023-05-19 15:49:28,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:28,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 15:49:28,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:28,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261688636] [2023-05-19 15:49:28,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261688636] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:28,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546549317] [2023-05-19 15:49:28,324 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 15:49:28,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:28,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:28,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:28,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 15:49:28,353 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 15:49:28,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:28,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-19 15:49:28,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:28,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:28,662 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:28,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:28,663 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:28,664 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 [2023-05-19 15:49:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:28,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:28,923 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:49:28,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2023-05-19 15:49:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 15:49:29,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546549317] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:29,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:29,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 22 [2023-05-19 15:49:29,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958668217] [2023-05-19 15:49:29,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:29,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-19 15:49:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:29,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-19 15:49:29,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-05-19 15:49:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:29,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:29,043 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) [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:29,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:49:29,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 15:49:29,909 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 [2023-05-19 15:49:29,909 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:29,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash -726951853, now seen corresponding path program 5 times [2023-05-19 15:49:29,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:29,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704253265] [2023-05-19 15:49:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:29,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 10 proven. 173 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 15:49:30,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:30,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704253265] [2023-05-19 15:49:30,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704253265] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:30,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852369997] [2023-05-19 15:49:30,456 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 15:49:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:30,458 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:30,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 15:49:30,496 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-19 15:49:30,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:30,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-19 15:49:30,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:31,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:31,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:31,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 36 [2023-05-19 15:49:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 15:49:31,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:31,848 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:49:31,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 98 treesize of output 284 [2023-05-19 15:49:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 171 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 15:49:32,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852369997] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:32,145 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:32,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-05-19 15:49:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782244335] [2023-05-19 15:49:32,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:32,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-19 15:49:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:32,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-19 15:49:32,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2023-05-19 15:49:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:32,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:32,149 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) [2023-05-19 15:49:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:32,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:49:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:49:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:49:34,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 15:49:34,200 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 [2023-05-19 15:49:34,201 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 545693521, now seen corresponding path program 6 times [2023-05-19 15:49:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:34,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176526314] [2023-05-19 15:49:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 16 proven. 468 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 15:49:35,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:35,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176526314] [2023-05-19 15:49:35,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176526314] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:35,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908612687] [2023-05-19 15:49:35,589 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 15:49:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:35,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:35,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 15:49:35,642 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-05-19 15:49:35,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:49:35,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-19 15:49:35,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:37,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:37,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:37,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 55 [2023-05-19 15:49:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 19 proven. 474 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:37,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:49:39,335 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:49:39,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2023-05-19 15:49:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 17 proven. 467 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 15:49:40,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908612687] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:49:40,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:49:40,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26, 20] total 55 [2023-05-19 15:49:40,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626857257] [2023-05-19 15:49:40,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:49:40,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-19 15:49:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:49:40,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-19 15:49:40,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=2720, Unknown=0, NotChecked=0, Total=3080 [2023-05-19 15:49:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:40,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:49:40,085 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) [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:40,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:49:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:49:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:49:47,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-19 15:49:47,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 15:49:47,492 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 [2023-05-19 15:49:47,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:49:47,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:49:47,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1722724215, now seen corresponding path program 7 times [2023-05-19 15:49:47,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:49:47,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103706538] [2023-05-19 15:49:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:49:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:49:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 30 proven. 1718 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-19 15:49:50,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:49:50,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103706538] [2023-05-19 15:49:50,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103706538] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:49:50,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214909135] [2023-05-19 15:49:50,875 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 15:49:50,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:49:50,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:49:50,876 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:49:50,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 15:49:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:49:50,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-19 15:49:50,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:49:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,799 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,838 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:49:59,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:49:59,853 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 [2023-05-19 15:49:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 33 proven. 1734 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:49:59,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:50:06,601 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:50:06,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2023-05-19 15:50:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 32 proven. 1716 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-19 15:50:16,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214909135] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 15:50:16,700 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 15:50:16,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 47, 34] total 100 [2023-05-19 15:50:16,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41330976] [2023-05-19 15:50:16,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 15:50:16,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-05-19 15:50:16,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 15:50:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-05-19 15:50:16,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=9192, Unknown=0, NotChecked=0, Total=10100 [2023-05-19 15:50:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:50:16,703 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 15:50:16,704 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) [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-19 15:50:16,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 15:50:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 15:50:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-19 15:50:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-19 15:50:58,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 15:50:58,268 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 [2023-05-19 15:50:58,269 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 15:50:58,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 15:50:58,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1534198339, now seen corresponding path program 8 times [2023-05-19 15:50:58,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 15:50:58,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820272390] [2023-05-19 15:50:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 15:50:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 15:50:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 15:51:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 58 proven. 6569 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-05-19 15:51:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 15:51:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820272390] [2023-05-19 15:51:11,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820272390] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 15:51:11,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072608872] [2023-05-19 15:51:11,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 15:51:11,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 15:51:11,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 15:51:11,681 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 15:51:11,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 15:51:11,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 15:51:11,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 15:51:11,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 294 conjunts are in the unsatisfiable core [2023-05-19 15:51:11,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 15:52:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,926 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,138 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,139 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 15:52:25,148 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 15:52:25,148 INFO L244 Elim1Store]: Index analysis took 284 ms [2023-05-19 15:52:25,151 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 [2023-05-19 15:52:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 61 proven. 6606 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 15:52:25,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 15:53:16,995 WARN L233 SmtUtils]: Spent 26.48s 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) [2023-05-19 15:53:17,000 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 15:53:17,001 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 [2023-05-19 15:55:44,788 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-19 15:55:44,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 15:55:44,988 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 [2023-05-19 15:55:44,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-19 15:55:44,992 INFO L158 Benchmark]: Toolchain (without parser) took 380327.60ms. Allocated memory was 127.9MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 91.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-19 15:55:44,992 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 67.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 15:55:44,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.83ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 15:55:44,993 INFO L158 Benchmark]: Boogie Preprocessor took 13.17ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 88.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 15:55:44,993 INFO L158 Benchmark]: RCFGBuilder took 176.90ms. Allocated memory was 127.9MB in the beginning and 162.5MB in the end (delta: 34.6MB). Free memory was 88.3MB in the beginning and 143.9MB in the end (delta: -55.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-19 15:55:44,993 INFO L158 Benchmark]: TraceAbstraction took 380113.84ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 142.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-19 15:55:44,994 INFO L339 ainManager$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 127.9MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 67.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.83ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.17ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 88.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 176.90ms. Allocated memory was 127.9MB in the beginning and 162.5MB in the end (delta: 34.6MB). Free memory was 88.3MB in the beginning and 143.9MB in the end (delta: -55.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 380113.84ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 142.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). 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. [2023-05-19 15:55:45,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-19 15:55:45,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...