/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 14:18:08,052 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 14:18:08,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 14:18:08,144 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 14:18:08,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 14:18:08,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 14:18:08,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 14:18:08,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 14:18:08,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 14:18:08,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 14:18:08,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 14:18:08,146 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 14:18:08,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 14:18:08,146 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 14:18:08,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 14:18:08,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 14:18:08,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 14:18:08,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 14:18:08,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 14:18:08,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 14:18:08,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 14:18:08,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 14:18:08,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 14:18:08,149 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 14:18:08,149 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 14:18:08,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 14:18:08,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 14:18:08,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 14:18:08,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 14:18:08,150 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 14:18:08,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 14:18:08,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 14:18:08,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 14:18:08,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 14:18:08,310 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 14:18:08,310 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 14:18:08,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2023-05-19 14:18:08,311 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2023-05-19 14:18:08,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 14:18:08,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 14:18:08,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 14:18:08,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 14:18:08,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 14:18:08,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,348 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 14:18:08,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 14:18:08,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 14:18:08,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 14:18:08,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 14:18:08,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 14:18:08,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 14:18:08,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 14:18:08,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 14:18:08,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/1) ... [2023-05-19 14:18:08,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 14:18:08,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:08,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 14:18:08,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 14:18:08,424 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 14:18:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 14:18:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 14:18:08,424 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 14:18:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 14:18:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 14:18:08,424 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 14:18:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 14:18:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 14:18:08,425 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 14:18:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 14:18:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 14:18:08,426 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 14:18:08,466 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 14:18:08,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 14:18:08,532 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 14:18:08,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 14:18:08,546 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 14:18:08,547 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 02:18:08 BoogieIcfgContainer [2023-05-19 14:18:08,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 14:18:08,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 14:18:08,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 14:18:08,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 14:18:08,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 02:18:08" (1/2) ... [2023-05-19 14:18:08,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d80236 and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 02:18:08, skipping insertion in model container [2023-05-19 14:18:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 02:18:08" (2/2) ... [2023-05-19 14:18:08,559 INFO L112 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2023-05-19 14:18:08,567 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 14:18:08,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 14:18:08,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 14:18:08,573 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 14:18:08,602 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 14:18:08,629 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 14:18:08,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 14:18:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:08,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 14:18:08,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 14:18:08,658 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 14:18:08,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 14:18:08,674 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;@ccaaf6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 14:18:08,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 14:18:08,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1328395086, now seen corresponding path program 1 times [2023-05-19 14:18:08,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:08,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904263295] [2023-05-19 14:18:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:08,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:08,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:08,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904263295] [2023-05-19 14:18:08,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904263295] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 14:18:08,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 14:18:08,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 14:18:08,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243188082] [2023-05-19 14:18:08,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 14:18:08,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 14:18:08,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 14:18:08,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 14:18:08,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:08,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:08,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:08,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 14:18:09,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:09,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:09,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1346374512, now seen corresponding path program 1 times [2023-05-19 14:18:09,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:09,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174799449] [2023-05-19 14:18:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:09,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:09,121 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 14:18:09,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:09,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174799449] [2023-05-19 14:18:09,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174799449] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 14:18:09,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 14:18:09,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 14:18:09,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755999127] [2023-05-19 14:18:09,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 14:18:09,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 14:18:09,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:09,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 14:18:09,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 14:18:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:09,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:09,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 14:18:09,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash 913669422, now seen corresponding path program 1 times [2023-05-19 14:18:09,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:09,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928507258] [2023-05-19 14:18:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:09,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:09,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928507258] [2023-05-19 14:18:09,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928507258] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 14:18:09,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 14:18:09,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 14:18:09,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708922563] [2023-05-19 14:18:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 14:18:09,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 14:18:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 14:18:09,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 14:18:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:09,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 14:18:09,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 833296976, now seen corresponding path program 1 times [2023-05-19 14:18:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:09,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607720947] [2023-05-19 14:18:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 14:18:09,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:09,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607720947] [2023-05-19 14:18:09,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607720947] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 14:18:09,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 14:18:09,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 14:18:09,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478743493] [2023-05-19 14:18:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 14:18:09,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 14:18:09,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:09,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 14:18:09,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-19 14:18:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:09,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:09,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 14:18:09,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:09,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:09,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2117507374, now seen corresponding path program 1 times [2023-05-19 14:18:09,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:09,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902553568] [2023-05-19 14:18:09,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:09,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:09,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:09,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902553568] [2023-05-19 14:18:09,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902553568] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:09,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137257657] [2023-05-19 14:18:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:09,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:09,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:09,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:09,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 14:18:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:09,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-19 14:18:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 14:18:09,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 14:18:09,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137257657] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:09,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:09,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2023-05-19 14:18:09,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367441589] [2023-05-19 14:18:09,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:09,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-19 14:18:09,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-19 14:18:09,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-05-19 14:18:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:09,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:09,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:10,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:10,137 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:10,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1489178700, now seen corresponding path program 2 times [2023-05-19 14:18:10,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:10,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10823212] [2023-05-19 14:18:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:10,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:10,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:10,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10823212] [2023-05-19 14:18:10,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10823212] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:10,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885138723] [2023-05-19 14:18:10,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:18:10,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:10,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:10,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 14:18:10,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:18:10,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:10,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-19 14:18:10,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:10,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-05-19 14:18:11,089 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 24 treesize of output 20 [2023-05-19 14:18:11,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:11,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:11,098 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 34 treesize of output 22 [2023-05-19 14:18:11,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-05-19 14:18:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:11,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:11,317 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:11,318 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 33 treesize of output 58 [2023-05-19 14:18:11,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:11,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-05-19 14:18:11,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:11,423 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:11,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 47 [2023-05-19 14:18:11,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:11,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 5 [2023-05-19 14:18:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:11,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885138723] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:11,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:11,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 19 [2023-05-19 14:18:11,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508803228] [2023-05-19 14:18:11,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:11,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-19 14:18:11,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-19 14:18:11,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2023-05-19 14:18:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:11,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:11,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.95) internal successors, (59), 19 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:12,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:12,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:12,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:12,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:12,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1844378774, now seen corresponding path program 3 times [2023-05-19 14:18:12,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:12,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455931845] [2023-05-19 14:18:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:12,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 14:18:12,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:12,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455931845] [2023-05-19 14:18:12,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455931845] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:12,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069752922] [2023-05-19 14:18:12,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 14:18:12,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:12,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:12,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:12,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 14:18:12,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 14:18:12,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:12,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-19 14:18:12,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 14:18:12,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 14:18:12,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069752922] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:12,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:12,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2023-05-19 14:18:12,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960819220] [2023-05-19 14:18:12,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:12,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 14:18:12,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 14:18:12,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-05-19 14:18:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:12,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:12,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:12,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:18:12,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:12,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:12,941 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:12,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:12,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1223590136, now seen corresponding path program 4 times [2023-05-19 14:18:12,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:12,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833535085] [2023-05-19 14:18:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 14:18:13,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833535085] [2023-05-19 14:18:13,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833535085] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561109657] [2023-05-19 14:18:13,659 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 14:18:13,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:13,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:13,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:13,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 14:18:13,700 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 14:18:13,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:13,701 WARN L261 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 67 conjunts are in the unsatisfiable core [2023-05-19 14:18:13,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:13,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-05-19 14:18:14,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2023-05-19 14:18:14,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2023-05-19 14:18:14,414 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2023-05-19 14:18:14,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-05-19 14:18:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:14,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:14,969 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:14,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 73 treesize of output 198 [2023-05-19 14:18:15,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2023-05-19 14:18:15,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,495 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:15,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 42 treesize of output 167 [2023-05-19 14:18:15,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:15,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 5 [2023-05-19 14:18:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:15,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561109657] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:15,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:15,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-19 14:18:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692477043] [2023-05-19 14:18:15,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 14:18:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 14:18:15,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1249, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 14:18:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:15,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:15,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.6842105263157894) internal successors, (102), 37 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:18:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:18:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:18,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:18,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:18,353 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:18,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1218071258, now seen corresponding path program 5 times [2023-05-19 14:18:18,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:18,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758704666] [2023-05-19 14:18:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:18,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 33 proven. 56 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 14:18:18,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:18,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758704666] [2023-05-19 14:18:18,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758704666] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:18,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797878911] [2023-05-19 14:18:18,438 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 14:18:18,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:18,439 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:18,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 14:18:18,484 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-19 14:18:18,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:18,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-19 14:18:18,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 50 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 14:18:18,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 50 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 14:18:18,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797878911] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:18,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:18,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2023-05-19 14:18:18,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363781347] [2023-05-19 14:18:18,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:18,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-19 14:18:18,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-19 14:18:18,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-05-19 14:18:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:18,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:18,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:18,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:18:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 14:18:18,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:19,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:19,148 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:19,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:19,149 INFO L85 PathProgramCache]: Analyzing trace with hash -637488700, now seen corresponding path program 6 times [2023-05-19 14:18:19,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:19,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760674355] [2023-05-19 14:18:19,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 14:18:20,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:20,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760674355] [2023-05-19 14:18:20,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760674355] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:20,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894203821] [2023-05-19 14:18:20,248 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 14:18:20,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:20,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:20,249 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:20,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 14:18:20,293 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-19 14:18:20,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:20,294 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 102 conjunts are in the unsatisfiable core [2023-05-19 14:18:20,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:20,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-19 14:18:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:20,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2023-05-19 14:18:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:20,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 74 [2023-05-19 14:18:20,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 78 [2023-05-19 14:18:21,237 INFO L356 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2023-05-19 14:18:21,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 101 [2023-05-19 14:18:21,887 INFO L356 Elim1Store]: treesize reduction 32, result has 77.0 percent of original size [2023-05-19 14:18:21,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 121 treesize of output 193 [2023-05-19 14:18:21,927 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:21,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 449 treesize of output 361 [2023-05-19 14:18:25,974 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:25,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 59 treesize of output 129 [2023-05-19 14:18:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:26,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:30,595 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,596 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:30,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:30,705 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:30,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 38 case distinctions, treesize of input 108 treesize of output 293 [2023-05-19 14:18:31,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 53 [2023-05-19 14:18:31,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:31,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:31,825 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:31,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 58 treesize of output 305 [2023-05-19 14:18:32,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,702 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,702 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,702 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,703 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:18:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:32,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 6 [2023-05-19 14:18:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:32,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894203821] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:32,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:32,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26, 26] total 66 [2023-05-19 14:18:32,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293962774] [2023-05-19 14:18:32,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:32,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-19 14:18:32,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:32,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-19 14:18:32,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=4020, Unknown=0, NotChecked=0, Total=4422 [2023-05-19 14:18:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:32,822 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:32,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.08955223880597) internal successors, (140), 66 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 14:18:32,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-19 14:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:18:44,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-19 14:18:44,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:44,403 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:44,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1827755294, now seen corresponding path program 7 times [2023-05-19 14:18:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:44,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290937862] [2023-05-19 14:18:44,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 76 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 14:18:44,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:44,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290937862] [2023-05-19 14:18:44,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290937862] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:44,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303945753] [2023-05-19 14:18:44,542 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 14:18:44,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:44,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:44,545 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:44,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 14:18:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:44,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-19 14:18:44,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 90 proven. 73 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 14:18:44,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 90 proven. 73 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 14:18:44,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303945753] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:18:44,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:18:44,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 11 [2023-05-19 14:18:44,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640990002] [2023-05-19 14:18:44,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:18:44,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-19 14:18:44,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:18:44,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-19 14:18:44,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-05-19 14:18:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:44,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:18:44,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:18:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:18:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:18:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:18:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 14:18:44,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 14:18:45,176 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,SelfDestructingSolverStorable10 [2023-05-19 14:18:45,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:18:45,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:18:45,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1866672256, now seen corresponding path program 8 times [2023-05-19 14:18:45,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:18:45,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961904664] [2023-05-19 14:18:45,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:18:45,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:18:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:18:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 14:18:46,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:18:46,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961904664] [2023-05-19 14:18:46,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961904664] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:18:46,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861341482] [2023-05-19 14:18:46,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:18:46,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:18:46,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:18:46,698 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:18:46,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 14:18:46,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:18:46,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:18:46,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 127 conjunts are in the unsatisfiable core [2023-05-19 14:18:46,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:18:46,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-19 14:18:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2023-05-19 14:18:47,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 53 [2023-05-19 14:18:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 81 [2023-05-19 14:18:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:47,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 102 [2023-05-19 14:18:48,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 108 [2023-05-19 14:18:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:18:48,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 156 [2023-05-19 14:18:48,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 122 [2023-05-19 14:18:48,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 47 [2023-05-19 14:18:49,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 24 [2023-05-19 14:18:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:18:49,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:18:50,961 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:18:50,962 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 153 treesize of output 718 [2023-05-19 14:19:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,874 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,880 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,880 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:00,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 77 [2023-05-19 14:19:00,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:00,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:01,481 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:19:01,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 92 case distinctions, treesize of input 82 treesize of output 647 [2023-05-19 14:19:07,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,952 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,952 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:07,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 5 [2023-05-19 14:19:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:19:08,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861341482] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:19:08,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:19:08,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26, 26] total 65 [2023-05-19 14:19:08,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239237770] [2023-05-19 14:19:08,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:19:08,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-19 14:19:08,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:19:08,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-19 14:19:08,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=3985, Unknown=0, NotChecked=0, Total=4290 [2023-05-19 14:19:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:19:08,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:19:08,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.4545454545454546) internal successors, (162), 65 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:19:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:19:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:08,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 14:19:08,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:19:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:19:16,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 14:19:16,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:19:16,649 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:19:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:19:16,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1635673246, now seen corresponding path program 9 times [2023-05-19 14:19:16,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:19:16,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468818900] [2023-05-19 14:19:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:19:16,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:19:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:19:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 137 proven. 128 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 14:19:16,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:19:16,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468818900] [2023-05-19 14:19:16,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468818900] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:19:16,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956341568] [2023-05-19 14:19:16,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 14:19:16,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:19:16,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:19:16,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:19:16,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 14:19:16,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-05-19 14:19:16,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:19:16,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 14:19:16,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:19:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 156 proven. 107 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 14:19:16,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:19:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 156 proven. 107 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 14:19:17,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956341568] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:19:17,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:19:17,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 13 [2023-05-19 14:19:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572725666] [2023-05-19 14:19:17,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:19:17,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-19 14:19:17,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:19:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-19 14:19:17,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-05-19 14:19:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:19:17,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:19:17,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:19:17,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:19:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:19:17,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 14:19:17,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 14:19:17,492 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:19:17,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:19:17,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1621844796, now seen corresponding path program 10 times [2023-05-19 14:19:17,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:19:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945590732] [2023-05-19 14:19:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:19:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:19:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:19:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 14:19:19,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:19:19,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945590732] [2023-05-19 14:19:19,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945590732] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:19:19,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727557353] [2023-05-19 14:19:19,297 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 14:19:19,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:19:19,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:19:19,298 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:19:19,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 14:19:19,347 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 14:19:19,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:19:19,349 WARN L261 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 157 conjunts are in the unsatisfiable core [2023-05-19 14:19:19,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:19:19,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-19 14:19:19,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2023-05-19 14:19:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:19,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2023-05-19 14:19:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 87 [2023-05-19 14:19:20,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 93 [2023-05-19 14:19:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:20,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 116 [2023-05-19 14:19:20,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 128 [2023-05-19 14:19:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:21,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 156 [2023-05-19 14:19:21,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 163 [2023-05-19 14:19:22,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 130 [2023-05-19 14:19:22,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2023-05-19 14:19:22,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2023-05-19 14:19:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:19:22,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:19:26,153 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:19:26,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 193 treesize of output 1098 [2023-05-19 14:19:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,332 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,332 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,332 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:19:46,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 97 [2023-05-19 14:19:46,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:46,473 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:19:47,549 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:19:47,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 145 case distinctions, treesize of input 102 treesize of output 1007 [2023-05-19 14:20:11,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:11,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 5 [2023-05-19 14:20:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:20:11,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727557353] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:20:11,155 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:20:11,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 32, 32] total 79 [2023-05-19 14:20:11,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859787181] [2023-05-19 14:20:11,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:20:11,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-05-19 14:20:11,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:20:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-05-19 14:20:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=5932, Unknown=0, NotChecked=0, Total=6320 [2023-05-19 14:20:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:20:11,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:20:11,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.4) internal successors, (192), 79 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:20:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:20:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:20:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:20:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:20:25,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 14:20:25,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-19 14:20:25,769 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:20:25,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:20:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2068275802, now seen corresponding path program 11 times [2023-05-19 14:20:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:20:25,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299809000] [2023-05-19 14:20:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:20:25,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:20:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:20:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 216 proven. 173 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-19 14:20:25,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:20:25,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299809000] [2023-05-19 14:20:25,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299809000] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:20:25,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708684533] [2023-05-19 14:20:25,985 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 14:20:25,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:20:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:20:26,002 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:20:26,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 14:20:26,084 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-19 14:20:26,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:20:26,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-19 14:20:26,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:20:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 260 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-19 14:20:26,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:20:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 260 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-19 14:20:26,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708684533] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:20:26,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:20:26,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 22 [2023-05-19 14:20:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869445609] [2023-05-19 14:20:26,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:20:26,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-19 14:20:26,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:20:26,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-19 14:20:26,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2023-05-19 14:20:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:20:26,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:20:26,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:20:26,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:20:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:20:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 14:20:27,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 14:20:27,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-19 14:20:27,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:20:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:20:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 741073400, now seen corresponding path program 12 times [2023-05-19 14:20:27,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:20:27,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376843196] [2023-05-19 14:20:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:20:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:20:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:20:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-19 14:20:29,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:20:29,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376843196] [2023-05-19 14:20:29,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376843196] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:20:29,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935688886] [2023-05-19 14:20:29,572 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 14:20:29,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:20:29,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:20:29,573 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:20:29,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 14:20:29,656 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-05-19 14:20:29,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:20:29,658 WARN L261 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 192 conjunts are in the unsatisfiable core [2023-05-19 14:20:29,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:20:29,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-05-19 14:20:29,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2023-05-19 14:20:30,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2023-05-19 14:20:30,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2023-05-19 14:20:30,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 88 [2023-05-19 14:20:30,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 108 [2023-05-19 14:20:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:31,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 131 [2023-05-19 14:20:31,808 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 153 [2023-05-19 14:20:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 176 [2023-05-19 14:20:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:32,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 207 [2023-05-19 14:20:33,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 213 [2023-05-19 14:20:34,968 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:20:34,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 69 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 36 case distinctions, treesize of input 234 treesize of output 452 [2023-05-19 14:20:35,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1210 treesize of output 916 [2023-05-19 14:20:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:38,533 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:20:38,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 72 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 33 case distinctions, treesize of input 84 treesize of output 296 [2023-05-19 14:20:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:20:38,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:20:46,903 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:20:46,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 173 treesize of output 898 [2023-05-19 14:20:55,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,536 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,536 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:20:55,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 87 [2023-05-19 14:20:55,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:55,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:20:56,459 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:20:56,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 117 case distinctions, treesize of input 92 treesize of output 817 [2023-05-19 14:21:08,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,536 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 14:21:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:21:08,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 5 [2023-05-19 14:21:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:21:08,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935688886] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:21:08,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:21:08,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 44, 44] total 109 [2023-05-19 14:21:08,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687164521] [2023-05-19 14:21:08,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:21:08,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-19 14:21:08,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:21:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-19 14:21:08,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=11357, Unknown=0, NotChecked=0, Total=11990 [2023-05-19 14:21:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:21:08,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:21:08,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.1363636363636362) internal successors, (235), 109 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:21:08,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 14:21:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 14:22:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-05-19 14:22:01,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 14:22:01,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-19 14:22:01,682 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:22:01,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:22:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1390664682, now seen corresponding path program 13 times [2023-05-19 14:22:01,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:22:01,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693129538] [2023-05-19 14:22:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:22:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:22:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:22:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 313 proven. 224 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 14:22:01,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:22:01,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693129538] [2023-05-19 14:22:01,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693129538] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:22:01,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353350964] [2023-05-19 14:22:01,911 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 14:22:01,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:22:01,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:22:01,912 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:22:01,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 14:22:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:22:01,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-19 14:22:01,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:22:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 342 proven. 193 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-19 14:22:02,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:22:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 342 proven. 193 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-19 14:22:02,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353350964] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 14:22:02,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 14:22:02,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 17 [2023-05-19 14:22:02,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242931177] [2023-05-19 14:22:02,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 14:22:02,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-19 14:22:02,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 14:22:02,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-19 14:22:02,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2023-05-19 14:22:02,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:22:02,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 14:22:02,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2023-05-19 14:22:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 14:22:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-05-19 14:22:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-19 14:22:02,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 14:22:02,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:22:02,815 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 14:22:02,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 14:22:02,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1003955380, now seen corresponding path program 14 times [2023-05-19 14:22:02,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 14:22:02,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082571583] [2023-05-19 14:22:02,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 14:22:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 14:22:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 14:22:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-19 14:22:05,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 14:22:05,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082571583] [2023-05-19 14:22:05,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082571583] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 14:22:05,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172850979] [2023-05-19 14:22:05,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 14:22:05,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 14:22:05,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 14:22:05,860 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 14:22:05,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 14:22:05,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 14:22:05,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 14:22:05,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 217 conjunts are in the unsatisfiable core [2023-05-19 14:22:05,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 14:22:06,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-05-19 14:22:06,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 168 treesize of output 138 [2023-05-19 14:22:06,512 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:22:06,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 234 treesize of output 175 [2023-05-19 14:22:06,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2023-05-19 14:22:07,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 83 [2023-05-19 14:22:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 121 [2023-05-19 14:22:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:07,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 147 [2023-05-19 14:22:08,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 153 [2023-05-19 14:22:08,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 173 [2023-05-19 14:22:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:09,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 201 [2023-05-19 14:22:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 227 [2023-05-19 14:22:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:10,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 248 [2023-05-19 14:22:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 14:22:11,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 287 [2023-05-19 14:22:12,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 195 [2023-05-19 14:22:12,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 77 [2023-05-19 14:22:13,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 36 [2023-05-19 14:22:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 14:22:13,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 14:22:23,207 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 14:22:23,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 273 treesize of output 2098 [2023-05-19 14:25:14,120 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-19 14:25:14,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 14:25:14,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-19 14:25:14,325 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$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-19 14:25:14,327 INFO L158 Benchmark]: Toolchain (without parser) took 425998.46ms. Allocated memory was 194.0MB in the beginning and 664.8MB in the end (delta: 470.8MB). Free memory was 151.5MB in the beginning and 530.4MB in the end (delta: -378.9MB). Peak memory consumption was 433.1MB. Max. memory is 8.0GB. [2023-05-19 14:25:14,327 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 152.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 14:25:14,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.87ms. Allocated memory is still 194.0MB. Free memory was 151.5MB in the beginning and 149.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 14:25:14,327 INFO L158 Benchmark]: Boogie Preprocessor took 17.14ms. Allocated memory is still 194.0MB. Free memory was 149.9MB in the beginning and 148.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 14:25:14,327 INFO L158 Benchmark]: RCFGBuilder took 178.62ms. Allocated memory is still 194.0MB. Free memory was 148.8MB in the beginning and 138.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-19 14:25:14,328 INFO L158 Benchmark]: TraceAbstraction took 425777.63ms. Allocated memory was 194.0MB in the beginning and 664.8MB in the end (delta: 470.8MB). Free memory was 137.6MB in the beginning and 530.4MB in the end (delta: -392.8MB). Peak memory consumption was 419.5MB. Max. memory is 8.0GB. [2023-05-19 14:25:14,328 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 194.0MB. Free memory is still 152.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.87ms. Allocated memory is still 194.0MB. Free memory was 151.5MB in the beginning and 149.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.14ms. Allocated memory is still 194.0MB. Free memory was 149.9MB in the beginning and 148.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 178.62ms. Allocated memory is still 194.0MB. Free memory was 148.8MB in the beginning and 138.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 425777.63ms. Allocated memory was 194.0MB in the beginning and 664.8MB in the end (delta: 470.8MB). Free memory was 137.6MB in the beginning and 530.4MB in the end (delta: -392.8MB). Peak memory consumption was 419.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-19 14:25:14,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-19 14:25:14,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...