/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 21:17:43,847 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 21:17:43,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 21:17:43,960 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 21:17:43,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 21:17:43,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 21:17:43,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 21:17:43,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 21:17:43,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 21:17:43,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 21:17:43,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 21:17:43,963 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 21:17:43,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 21:17:43,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 21:17:43,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 21:17:43,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 21:17:43,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 21:17:43,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 21:17:43,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 21:17:43,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 21:17:43,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 21:17:43,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 21:17:43,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 21:17:43,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 21:17:43,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 21:17:43,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 21:17:43,969 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 21:17:43,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 21:17:44,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 21:17:44,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 21:17:44,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 21:17:44,204 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 21:17:44,205 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 21:17:44,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2023-05-03 21:17:44,206 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2023-05-03 21:17:44,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 21:17:44,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 21:17:44,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 21:17:44,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 21:17:44,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 21:17:44,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,258 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 21:17:44,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 21:17:44,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 21:17:44,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 21:17:44,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 21:17:44,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 21:17:44,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 21:17:44,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 21:17:44,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 21:17:44,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/1) ... [2023-05-03 21:17:44,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 21:17:44,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:44,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-03 21:17:44,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-03 21:17:44,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 21:17:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 21:17:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 21:17:44,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 21:17:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 21:17:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 21:17:44,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 21:17:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 21:17:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 21:17:44,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 21:17:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 21:17:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 21:17:44,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-03 21:17:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-03 21:17:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-03 21:17:44,360 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 21:17:44,408 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 21:17:44,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 21:17:44,526 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 21:17:44,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 21:17:44,555 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-03 21:17:44,555 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-05-03 21:17:44,556 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-05-03 21:17:44,556 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2023-05-03 21:17:44,557 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:17:44 BoogieIcfgContainer [2023-05-03 21:17:44,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 21:17:44,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 21:17:44,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 21:17:44,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 21:17:44,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:17:44" (1/2) ... [2023-05-03 21:17:44,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb3d90c and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 09:17:44, skipping insertion in model container [2023-05-03 21:17:44,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:17:44" (2/2) ... [2023-05-03 21:17:44,571 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2023-05-03 21:17:44,577 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 21:17:44,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 21:17:44,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 21:17:44,583 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 21:17:44,660 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-05-03 21:17:44,730 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 21:17:44,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 21:17:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:44,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 21:17:44,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 21:17:44,771 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 21:17:44,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2023-05-03 21:17:44,798 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;@1c91e21f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 21:17:44,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-03 21:17:44,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-03 21:17:44,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-03 21:17:44,991 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-03 21:17:44,993 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-03 21:17:44,998 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 21:17:44,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 21:17:44,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:45,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 21:17:45,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-05-03 21:17:45,017 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 21:17:45,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 21:17:45,020 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;@1c91e21f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 21:17:45,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-03 21:17:45,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:45,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:45,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1514866406, now seen corresponding path program 1 times [2023-05-03 21:17:45,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:45,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861892316] [2023-05-03 21:17:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:45,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:45,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861892316] [2023-05-03 21:17:45,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861892316] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:45,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007726898] [2023-05-03 21:17:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:45,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:45,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:45,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:45,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 21:17:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:45,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-03 21:17:45,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:45,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:45,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007726898] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:45,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:45,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-05-03 21:17:45,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430308673] [2023-05-03 21:17:45,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:45,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 21:17:45,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:45,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 21:17:45,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-05-03 21:17:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:45,781 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:45,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:45,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 21:17:45,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:46,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:46,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:46,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1127318716, now seen corresponding path program 2 times [2023-05-03 21:17:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:46,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824866499] [2023-05-03 21:17:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:46,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:46,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824866499] [2023-05-03 21:17:46,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824866499] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:46,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675244510] [2023-05-03 21:17:46,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 21:17:46,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:46,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:46,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:46,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 21:17:46,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 21:17:46,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:17:46,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 21:17:46,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:46,810 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:17:46,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2023-05-03 21:17:46,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:46,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:47,515 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:17:47,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 51 [2023-05-03 21:17:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:47,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675244510] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:47,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:47,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2023-05-03 21:17:47,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745988381] [2023-05-03 21:17:47,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:47,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-03 21:17:47,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-03 21:17:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2023-05-03 21:17:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:47,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:47,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 22 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 21:17:47,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 21:17:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-03 21:17:48,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:48,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:48,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1694796880, now seen corresponding path program 3 times [2023-05-03 21:17:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:48,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225269304] [2023-05-03 21:17:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:48,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225269304] [2023-05-03 21:17:48,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225269304] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 21:17:48,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 21:17:48,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 21:17:48,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486210651] [2023-05-03 21:17:48,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 21:17:48,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 21:17:48,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:48,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 21:17:48,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 21:17:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:48,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:48,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) 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) [2023-05-03 21:17:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 21:17:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-03 21:17:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:49,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 21:17:49,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:49,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:49,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1251210634, now seen corresponding path program 1 times [2023-05-03 21:17:49,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:49,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162751872] [2023-05-03 21:17:49,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:49,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162751872] [2023-05-03 21:17:49,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162751872] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:49,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455254678] [2023-05-03 21:17:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:49,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:49,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 21:17:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:49,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-03 21:17:49,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:50,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:50,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:50,083 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 [2023-05-03 21:17:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:50,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:50,428 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:17:50,429 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 20 treesize of output 43 [2023-05-03 21:17:50,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:50,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:50,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:50,482 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 20 treesize of output 3 [2023-05-03 21:17:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:50,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455254678] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:50,497 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:50,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 28 [2023-05-03 21:17:50,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679358848] [2023-05-03 21:17:50,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:50,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-03 21:17:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:50,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-03 21:17:50,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2023-05-03 21:17:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:50,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:50,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 28 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:51,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:51,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:51,342 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:51,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:51,343 INFO L85 PathProgramCache]: Analyzing trace with hash 133031384, now seen corresponding path program 2 times [2023-05-03 21:17:51,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:51,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243290477] [2023-05-03 21:17:51,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:51,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:51,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243290477] [2023-05-03 21:17:51,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243290477] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:51,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104785494] [2023-05-03 21:17:51,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 21:17:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:51,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:51,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:51,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 21:17:51,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 21:17:51,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:17:51,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-03 21:17:51,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:51,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:51,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104785494] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:51,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:51,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 13 [2023-05-03 21:17:51,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475489355] [2023-05-03 21:17:51,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:51,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-03 21:17:51,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:51,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-03 21:17:51,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-05-03 21:17:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:51,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:51,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:51,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-03 21:17:52,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:52,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:52,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:52,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2094292832, now seen corresponding path program 3 times [2023-05-03 21:17:52,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:52,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301599507] [2023-05-03 21:17:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:52,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:52,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301599507] [2023-05-03 21:17:52,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301599507] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:52,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951660513] [2023-05-03 21:17:52,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 21:17:52,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:52,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:52,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:52,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 21:17:52,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-03 21:17:52,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:17:52,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-03 21:17:52,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:52,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:52,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951660513] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:52,272 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:52,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-05-03 21:17:52,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829043048] [2023-05-03 21:17:52,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:52,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 21:17:52,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:52,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 21:17:52,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-05-03 21:17:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:52,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:52,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:52,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 21:17:52,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:52,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:52,597 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:52,597 INFO L85 PathProgramCache]: Analyzing trace with hash 545740725, now seen corresponding path program 1 times [2023-05-03 21:17:52,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:52,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677832355] [2023-05-03 21:17:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:53,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:53,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677832355] [2023-05-03 21:17:53,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677832355] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:53,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340677566] [2023-05-03 21:17:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:53,094 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:53,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 21:17:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:53,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-03 21:17:53,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:53,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:53,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:53,449 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 [2023-05-03 21:17:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:53,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:53,756 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:17:53,756 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 20 treesize of output 43 [2023-05-03 21:17:53,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:17:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:17:53,809 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 20 treesize of output 3 [2023-05-03 21:17:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:53,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340677566] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:53,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:53,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 28 [2023-05-03 21:17:53,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302236100] [2023-05-03 21:17:53,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:53,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-03 21:17:53,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:53,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-03 21:17:53,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2023-05-03 21:17:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:53,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:53,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 28 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 21:17:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:54,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 21:17:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:17:54,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:54,786 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,SelfDestructingSolverStorable6 [2023-05-03 21:17:54,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1661355641, now seen corresponding path program 1 times [2023-05-03 21:17:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:54,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398811527] [2023-05-03 21:17:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:55,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:55,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398811527] [2023-05-03 21:17:55,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398811527] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:55,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609444890] [2023-05-03 21:17:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:55,325 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:17:55,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 21:17:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:55,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-03 21:17:55,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:17:55,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-05-03 21:17:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:55,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:17:56,184 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:17:56,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 28 treesize of output 89 [2023-05-03 21:17:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:56,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609444890] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:17:56,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:17:56,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 42 [2023-05-03 21:17:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167775232] [2023-05-03 21:17:56,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:17:56,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-03 21:17:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:17:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-03 21:17:56,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1569, Unknown=0, NotChecked=0, Total=1722 [2023-05-03 21:17:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:56,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:17:56,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.6428571428571428) internal successors, (69), 42 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:17:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:17:56,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:17:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 21:17:59,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 21:17:59,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:59,250 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:17:59,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:17:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash 416309241, now seen corresponding path program 4 times [2023-05-03 21:17:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:17:59,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98144406] [2023-05-03 21:17:59,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:17:59,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:17:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:17:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:17:59,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:17:59,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98144406] [2023-05-03 21:17:59,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98144406] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:17:59,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344865577] [2023-05-03 21:17:59,963 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 21:17:59,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:17:59,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:17:59,969 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) [2023-05-03 21:17:59,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 21:18:00,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 21:18:00,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:18:00,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-03 21:18:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:00,574 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 33 treesize of output 17 [2023-05-03 21:18:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:00,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:01,193 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:01,194 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 36 treesize of output 153 [2023-05-03 21:18:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:01,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344865577] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:01,505 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:01,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 20] total 54 [2023-05-03 21:18:01,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629682936] [2023-05-03 21:18:01,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:01,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-03 21:18:01,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-03 21:18:01,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2665, Unknown=0, NotChecked=0, Total=2862 [2023-05-03 21:18:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:01,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:01,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.537037037037037) internal successors, (83), 54 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 21:18:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 21:18:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 21:18:05,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 21:18:05,262 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,SelfDestructingSolverStorable8 [2023-05-03 21:18:05,262 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:18:05,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:18:05,263 INFO L85 PathProgramCache]: Analyzing trace with hash 596829851, now seen corresponding path program 5 times [2023-05-03 21:18:05,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:18:05,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941709238] [2023-05-03 21:18:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:18:05,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:18:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:05,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:18:05,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941709238] [2023-05-03 21:18:05,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941709238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:18:05,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302025739] [2023-05-03 21:18:05,360 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 21:18:05,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:18:05,361 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) [2023-05-03 21:18:05,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 21:18:05,403 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-03 21:18:05,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:18:05,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-03 21:18:05,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:05,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 21:18:05,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302025739] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:05,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:05,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 10] total 19 [2023-05-03 21:18:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266670366] [2023-05-03 21:18:05,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:05,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-03 21:18:05,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:05,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-03 21:18:05,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-05-03 21:18:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:05,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:05,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 21:18:05,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-03 21:18:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-03 21:18:08,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 21:18:08,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-03 21:18:08,381 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,SelfDestructingSolverStorable9 [2023-05-03 21:18:08,381 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:18:08,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:18:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -877488566, now seen corresponding path program 2 times [2023-05-03 21:18:08,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:18:08,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712068773] [2023-05-03 21:18:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:18:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:18:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:09,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:18:09,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712068773] [2023-05-03 21:18:09,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712068773] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:18:09,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207477816] [2023-05-03 21:18:09,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 21:18:09,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:18:09,413 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) [2023-05-03 21:18:09,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 21:18:09,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 21:18:09,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:18:09,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-03 21:18:09,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:10,482 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:10,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2023-05-03 21:18:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:10,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:12,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:12,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:12,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:12,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:12,563 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:12,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 42 treesize of output 227 [2023-05-03 21:18:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:13,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207477816] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:13,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:13,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 68 [2023-05-03 21:18:13,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575197554] [2023-05-03 21:18:13,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:13,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-05-03 21:18:13,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:13,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-05-03 21:18:13,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=4260, Unknown=0, NotChecked=0, Total=4556 [2023-05-03 21:18:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:13,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:13,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-03 21:18:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 21:18:20,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-03 21:18:20,954 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,SelfDestructingSolverStorable10 [2023-05-03 21:18:20,954 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:18:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:18:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash -332550212, now seen corresponding path program 6 times [2023-05-03 21:18:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:18:20,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264242635] [2023-05-03 21:18:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:18:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:18:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:22,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:18:22,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264242635] [2023-05-03 21:18:22,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264242635] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:18:22,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305292653] [2023-05-03 21:18:22,205 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 21:18:22,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:22,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:18:22,206 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) [2023-05-03 21:18:22,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-03 21:18:22,242 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-03 21:18:22,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:18:22,244 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 83 conjunts are in the unsatisfiable core [2023-05-03 21:18:22,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:23,494 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:23,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 35 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 53 treesize of output 181 [2023-05-03 21:18:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:23,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:28,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:28,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:28,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:28,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:28,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:28,986 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:28,987 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 7 new quantified variables, introduced 11 case distinctions, treesize of input 60 treesize of output 62 [2023-05-03 21:18:29,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:29,017 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 60 treesize of output 3 [2023-05-03 21:18:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:29,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305292653] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:29,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:29,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 81 [2023-05-03 21:18:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497498219] [2023-05-03 21:18:29,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:29,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-05-03 21:18:29,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:29,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-05-03 21:18:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=6112, Unknown=0, NotChecked=0, Total=6480 [2023-05-03 21:18:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:29,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:29,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 81 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-03 21:18:29,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-03 21:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:18:43,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-03 21:18:44,169 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,SelfDestructingSolverStorable11 [2023-05-03 21:18:44,169 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:18:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:18:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1797566050, now seen corresponding path program 7 times [2023-05-03 21:18:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:18:44,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615731675] [2023-05-03 21:18:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:18:44,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:18:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 25 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:44,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:18:44,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615731675] [2023-05-03 21:18:44,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615731675] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:18:44,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385109998] [2023-05-03 21:18:44,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 21:18:44,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:44,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:18:44,302 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) [2023-05-03 21:18:44,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-03 21:18:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:44,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-03 21:18:44,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 25 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:44,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 25 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:44,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385109998] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:44,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:44,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 12] total 25 [2023-05-03 21:18:44,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154719999] [2023-05-03 21:18:44,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:44,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-03 21:18:44,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:44,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-03 21:18:44,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2023-05-03 21:18:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:44,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:44,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.96) internal successors, (74), 25 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-03 21:18:44,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-03 21:18:44,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:44,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-03 21:18:44,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:18:44,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-03 21:18:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-03 21:18:49,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-03 21:18:49,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:49,413 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:18:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:18:49,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1533010611, now seen corresponding path program 3 times [2023-05-03 21:18:49,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:18:49,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553604924] [2023-05-03 21:18:49,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:18:49,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:18:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:18:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:50,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:18:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553604924] [2023-05-03 21:18:50,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553604924] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:18:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195404587] [2023-05-03 21:18:50,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 21:18:50,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:18:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:18:50,886 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) [2023-05-03 21:18:50,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-03 21:18:50,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-03 21:18:50,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:18:50,921 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 95 conjunts are in the unsatisfiable core [2023-05-03 21:18:50,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:18:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:52,618 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:52,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 109 [2023-05-03 21:18:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:52,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:18:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,138 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,140 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,228 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:18:58,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 58 treesize of output 203 [2023-05-03 21:18:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,415 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:18:58,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:18:58,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 3 [2023-05-03 21:18:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:18:58,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195404587] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:18:58,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:18:58,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 93 [2023-05-03 21:18:58,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121756593] [2023-05-03 21:18:58,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:18:58,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-05-03 21:18:58,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:18:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-05-03 21:18:58,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=8077, Unknown=0, NotChecked=0, Total=8556 [2023-05-03 21:18:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:18:58,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:18:58,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.2795698924731183) internal successors, (119), 93 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:18:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:18:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-03 21:18:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-03 21:18:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-03 21:18:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:19:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:19:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:19:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:19:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:19:29,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-03 21:19:29,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:19:29,914 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:19:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:19:29,914 INFO L85 PathProgramCache]: Analyzing trace with hash -76584513, now seen corresponding path program 8 times [2023-05-03 21:19:29,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:19:29,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314647225] [2023-05-03 21:19:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:19:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:19:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:19:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:19:31,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:19:31,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314647225] [2023-05-03 21:19:31,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314647225] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:19:31,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873817723] [2023-05-03 21:19:31,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 21:19:31,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:19:31,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:19:31,579 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:19:31,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-03 21:19:31,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 21:19:31,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:19:31,622 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 106 conjunts are in the unsatisfiable core [2023-05-03 21:19:31,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:19:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:19:33,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:33,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2023-05-03 21:19:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:19:33,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:19:40,596 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:40,613 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:19:41,144 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:19:41,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 56 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 66 treesize of output 575 [2023-05-03 21:19:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:19:52,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873817723] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:19:52,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:19:52,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 104 [2023-05-03 21:19:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862668460] [2023-05-03 21:19:52,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:19:52,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-05-03 21:19:52,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:19:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-05-03 21:19:52,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=10113, Unknown=0, NotChecked=0, Total=10712 [2023-05-03 21:19:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:19:52,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:19:52,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 104 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:19:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:20:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:20:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:20:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:20:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:20:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-05-03 21:20:05,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-03 21:20:05,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-03 21:20:05,473 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:20:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:20:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash -627665183, now seen corresponding path program 9 times [2023-05-03 21:20:05,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:20:05,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540681073] [2023-05-03 21:20:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:20:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:20:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:20:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:05,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:20:05,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540681073] [2023-05-03 21:20:05,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540681073] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:20:05,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221314973] [2023-05-03 21:20:05,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 21:20:05,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:20:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:20:05,641 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:20:05,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-03 21:20:05,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 21:20:05,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:20:05,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 21:20:05,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:20:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:06,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:20:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:06,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221314973] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:20:06,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:20:06,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 21, 14] total 31 [2023-05-03 21:20:06,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096161916] [2023-05-03 21:20:06,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:20:06,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-03 21:20:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:20:06,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-03 21:20:06,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2023-05-03 21:20:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:20:06,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:20:06,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.903225806451613) internal successors, (90), 31 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:20:06,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:20:06,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:20:06,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-05-03 21:20:06,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:20:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-05-03 21:20:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-05-03 21:20:07,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-03 21:20:07,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-03 21:20:07,729 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:20:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:20:07,729 INFO L85 PathProgramCache]: Analyzing trace with hash 428974112, now seen corresponding path program 4 times [2023-05-03 21:20:07,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:20:07,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123029141] [2023-05-03 21:20:07,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:20:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:20:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:20:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:09,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:20:09,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123029141] [2023-05-03 21:20:09,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123029141] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:20:09,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343280606] [2023-05-03 21:20:09,327 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 21:20:09,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:20:09,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:20:09,329 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:20:09,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-03 21:20:09,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 21:20:09,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:20:09,367 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2023-05-03 21:20:09,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:20:11,026 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 57 treesize of output 25 [2023-05-03 21:20:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:11,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:20:13,740 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:20:13,741 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 68 treesize of output 589 [2023-05-03 21:20:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:26,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343280606] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:20:26,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:20:26,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 36] total 102 [2023-05-03 21:20:26,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854883015] [2023-05-03 21:20:26,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:20:26,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-03 21:20:26,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:20:26,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-03 21:20:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=9731, Unknown=0, NotChecked=0, Total=10302 [2023-05-03 21:20:26,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:20:26,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:20:26,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 102 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:20:26,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:20:26,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-05-03 21:20:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:20:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:20:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-03 21:20:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-03 21:20:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:20:51,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-03 21:20:51,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-03 21:20:51,187 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:20:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:20:51,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1258405520, now seen corresponding path program 5 times [2023-05-03 21:20:51,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:20:51,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46584706] [2023-05-03 21:20:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:20:51,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:20:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:20:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 15 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:53,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:20:53,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46584706] [2023-05-03 21:20:53,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46584706] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:20:53,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945233549] [2023-05-03 21:20:53,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 21:20:53,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:20:53,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:20:53,073 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:20:53,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-03 21:20:53,115 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-03 21:20:53,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:20:53,117 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 117 conjunts are in the unsatisfiable core [2023-05-03 21:20:53,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:20:55,290 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 63 treesize of output 27 [2023-05-03 21:20:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:20:55,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:20:59,041 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:20:59,041 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 76 treesize of output 743 [2023-05-03 21:21:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:21:18,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945233549] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:21:18,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:21:18,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40, 40] total 114 [2023-05-03 21:21:18,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26999773] [2023-05-03 21:21:18,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:21:18,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-03 21:21:18,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:21:18,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-03 21:21:18,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=12252, Unknown=0, NotChecked=0, Total=12882 [2023-05-03 21:21:18,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:21:18,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:21:18,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 1.2543859649122806) internal successors, (143), 114 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:21:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:21:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:21:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-03 21:21:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-03 21:21:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:21:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:21:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2023-05-03 21:21:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-03 21:21:49,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-05-03 21:21:49,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-03 21:21:49,543 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:21:49,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:21:49,543 INFO L85 PathProgramCache]: Analyzing trace with hash -194707966, now seen corresponding path program 10 times [2023-05-03 21:21:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:21:49,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816306790] [2023-05-03 21:21:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:21:49,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:21:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:21:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 34 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:21:51,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:21:51,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816306790] [2023-05-03 21:21:51,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816306790] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:21:51,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244075614] [2023-05-03 21:21:51,822 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 21:21:51,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:21:51,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:21:51,823 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:21:51,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-03 21:21:51,875 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 21:21:51,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:21:51,877 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2023-05-03 21:21:51,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:21:54,509 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 69 treesize of output 29 [2023-05-03 21:21:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:21:54,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:21:59,297 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:21:59,297 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 84 treesize of output 915 [2023-05-03 21:22:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:22:20,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244075614] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:22:20,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:22:20,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 44] total 126 [2023-05-03 21:22:20,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904675919] [2023-05-03 21:22:20,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:22:20,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2023-05-03 21:22:20,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:22:20,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2023-05-03 21:22:20,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=14889, Unknown=0, NotChecked=0, Total=15750 [2023-05-03 21:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:22:20,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:22:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.2301587301587302) internal successors, (155), 126 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-03 21:22:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:22:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:22:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:22:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2023-05-03 21:22:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-03 21:22:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-03 21:22:46,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-03 21:22:46,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:22:46,348 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:22:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:22:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1819813476, now seen corresponding path program 11 times [2023-05-03 21:22:46,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:22:46,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601967221] [2023-05-03 21:22:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:22:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:22:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:22:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 51 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:22:46,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:22:46,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601967221] [2023-05-03 21:22:46,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601967221] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:22:46,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328433505] [2023-05-03 21:22:46,556 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 21:22:46,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:22:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:22:46,557 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:22:46,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-03 21:22:46,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-03 21:22:46,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:22:46,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-03 21:22:46,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:22:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:22:47,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:22:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 46 proven. 122 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 21:22:47,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328433505] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:22:47,151 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:22:47,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 16] total 37 [2023-05-03 21:22:47,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319676941] [2023-05-03 21:22:47,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:22:47,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-03 21:22:47,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:22:47,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-03 21:22:47,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332 [2023-05-03 21:22:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:22:47,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:22:47,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.945945945945946) internal successors, (109), 37 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:22:47,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:22:47,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:22:47,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-03 21:22:47,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:23:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:23:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:23:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-03 21:23:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-03 21:23:01,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-03 21:23:01,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:23:01,289 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:23:01,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:23:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1090852333, now seen corresponding path program 6 times [2023-05-03 21:23:01,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:23:01,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016451284] [2023-05-03 21:23:01,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:23:01,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:23:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:23:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 39 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:23:03,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:23:03,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016451284] [2023-05-03 21:23:03,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016451284] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:23:03,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371332597] [2023-05-03 21:23:03,866 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 21:23:03,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:23:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:23:03,867 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:23:03,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-03 21:23:03,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-03 21:23:03,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:23:03,916 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 143 conjunts are in the unsatisfiable core [2023-05-03 21:23:03,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:23:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:09,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:09,657 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:23:09,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 85 disjoint index pairs (out of 231 index pairs), introduced 14 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 99 [2023-05-03 21:23:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:23:09,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:23:37,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:37,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:37,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:38,017 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:23:38,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 19 new quantified variables, introduced 140 case distinctions, treesize of input 90 treesize of output 825 [2023-05-03 21:23:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,706 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,725 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,732 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:23:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:23:46,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 3 [2023-05-03 21:23:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:23:46,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371332597] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:23:46,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:23:46,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 139 [2023-05-03 21:23:46,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389225875] [2023-05-03 21:23:46,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:23:46,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2023-05-03 21:23:46,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:23:46,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2023-05-03 21:23:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1186, Invalid=17996, Unknown=0, NotChecked=0, Total=19182 [2023-05-03 21:23:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:23:46,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:23:46,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 139 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:23:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:23:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-03 21:23:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-03 21:25:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2023-05-03 21:25:16,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-05-03 21:25:16,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:25:16,226 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:25:16,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:25:16,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2109856901, now seen corresponding path program 12 times [2023-05-03 21:25:16,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:25:16,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258054180] [2023-05-03 21:25:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:25:16,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:25:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:25:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 35 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:25:19,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:25:19,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258054180] [2023-05-03 21:25:19,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258054180] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:25:19,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464030528] [2023-05-03 21:25:19,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 21:25:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:25:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:25:19,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:25:19,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-05-03 21:25:19,378 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-03 21:25:19,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 21:25:19,380 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 155 conjunts are in the unsatisfiable core [2023-05-03 21:25:19,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:25:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,914 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:25:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:25:25,979 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:25:25,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 110 disjoint index pairs (out of 276 index pairs), introduced 16 new quantified variables, introduced 10 case distinctions, treesize of input 162 treesize of output 138 [2023-05-03 21:25:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:25:26,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:26:11,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:11,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:11,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:11,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:12,440 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:26:12,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 20 new quantified variables, introduced 156 case distinctions, treesize of input 98 treesize of output 903 [2023-05-03 21:26:20,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,931 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,936 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,936 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,936 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,938 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,938 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,938 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,968 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:26:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:26:20,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 3 [2023-05-03 21:26:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:26:20,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464030528] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:26:20,988 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:26:20,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 151 [2023-05-03 21:26:20,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790638207] [2023-05-03 21:26:20,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:26:20,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2023-05-03 21:26:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:26:20,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2023-05-03 21:26:20,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1208, Invalid=21441, Unknown=1, NotChecked=0, Total=22650 [2023-05-03 21:26:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:26:20,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:26:20,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 1.1589403973509933) internal successors, (175), 151 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:26:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2023-05-03 21:26:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:28:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2023-05-03 21:28:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2023-05-03 21:28:08,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-05-03 21:28:09,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:28:09,169 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:28:09,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:28:09,169 INFO L85 PathProgramCache]: Analyzing trace with hash 303525927, now seen corresponding path program 13 times [2023-05-03 21:28:09,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:28:09,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621697136] [2023-05-03 21:28:09,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:28:09,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:28:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:28:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:28:09,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:28:09,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621697136] [2023-05-03 21:28:09,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621697136] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:28:09,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727279660] [2023-05-03 21:28:09,463 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 21:28:09,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:28:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:28:09,464 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:28:09,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-05-03 21:28:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:28:09,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-03 21:28:09,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:28:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:28:10,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:28:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:28:10,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727279660] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 21:28:10,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 21:28:10,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 29, 18] total 43 [2023-05-03 21:28:10,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016527719] [2023-05-03 21:28:10,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 21:28:10,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-03 21:28:10,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 21:28:10,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-03 21:28:10,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2023-05-03 21:28:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:28:10,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 21:28:10,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.8372093023255816) internal successors, (122), 43 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:28:10,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2023-05-03 21:28:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 21:28:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2023-05-03 21:28:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-05-03 21:28:34,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-05-03 21:28:34,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:28:34,354 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 21:28:34,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 21:28:34,354 INFO L85 PathProgramCache]: Analyzing trace with hash 882053078, now seen corresponding path program 7 times [2023-05-03 21:28:34,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 21:28:34,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214027708] [2023-05-03 21:28:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 21:28:34,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 21:28:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:28:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:28:39,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 21:28:39,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214027708] [2023-05-03 21:28:39,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214027708] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 21:28:39,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775121294] [2023-05-03 21:28:39,659 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 21:28:39,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 21:28:39,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 21:28:39,660 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 21:28:39,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-05-03 21:28:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 21:28:39,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 165 conjunts are in the unsatisfiable core [2023-05-03 21:28:39,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 21:28:49,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,915 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 21:28:49,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 21:28:49,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 51 [2023-05-03 21:28:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 21:28:50,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 21:29:08,976 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 21:29:08,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 247 case distinctions, treesize of input 108 treesize of output 1539 [2023-05-03 21:30:36,655 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-03 21:30:36,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-05-03 21:30:36,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-05-03 21:30:36,857 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) [2023-05-03 21:30:36,859 INFO L158 Benchmark]: Toolchain (without parser) took 772630.81ms. Allocated memory was 217.1MB in the beginning and 759.2MB in the end (delta: 542.1MB). Free memory was 171.1MB in the beginning and 160.3MB in the end (delta: 10.8MB). Peak memory consumption was 628.5MB. Max. memory is 8.0GB. [2023-05-03 21:30:36,859 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 217.1MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 21:30:36,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 217.1MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 21:30:36,860 INFO L158 Benchmark]: Boogie Preprocessor took 15.89ms. Allocated memory is still 217.1MB. Free memory was 169.5MB in the beginning and 168.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 21:30:36,860 INFO L158 Benchmark]: RCFGBuilder took 279.70ms. Allocated memory is still 217.1MB. Free memory was 168.4MB in the beginning and 187.4MB in the end (delta: -19.0MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2023-05-03 21:30:36,860 INFO L158 Benchmark]: TraceAbstraction took 772299.19ms. Allocated memory was 217.1MB in the beginning and 759.2MB in the end (delta: 542.1MB). Free memory was 186.3MB in the beginning and 160.3MB in the end (delta: 26.0MB). Peak memory consumption was 641.0MB. Max. memory is 8.0GB. [2023-05-03 21:30:36,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 217.1MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 217.1MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.89ms. Allocated memory is still 217.1MB. Free memory was 169.5MB in the beginning and 168.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 279.70ms. Allocated memory is still 217.1MB. Free memory was 168.4MB in the beginning and 187.4MB in the end (delta: -19.0MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * TraceAbstraction took 772299.19ms. Allocated memory was 217.1MB in the beginning and 759.2MB in the end (delta: 542.1MB). Free memory was 186.3MB in the beginning and 160.3MB in the end (delta: 26.0MB). Peak memory consumption was 641.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 613, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 18, dependent conditional: 11, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 602, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 568, unknown conditional: 0, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 561, Positive conditional cache size: 0, Positive unconditional cache size: 561, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 13, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 580, independent: 573, independent conditional: 0, independent unconditional: 573, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 613, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 18, dependent conditional: 11, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 22, independent unconditional: 573, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, independent: 595, independent conditional: 0, independent unconditional: 595, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 602, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 568, unknown conditional: 0, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 561, Positive conditional cache size: 0, Positive unconditional cache size: 561, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 11 - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-03 21:30:36,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2023-05-03 21:30:37,087 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 [2023-05-03 21:30:37,473 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-03 21:30:37,526 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 137 Received shutdown request...