/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 GLOBAL_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-32214ab [2023-05-19 18:42:42,986 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 18:42:43,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 18:42:43,110 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 18:42:43,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 18:42:43,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 18:42:43,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 18:42:43,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 18:42:43,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 18:42:43,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 18:42:43,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 18:42:43,112 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 18:42:43,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 18:42:43,113 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 18:42:43,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 18:42:43,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 18:42:43,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 18:42:43,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:42:43,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 18:42:43,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 18:42:43,116 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 18:42:43,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 18:42:43,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 18:42:43,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 18:42:43,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 18:42:43,340 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 18:42:43,341 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 18:42:43,342 INFO L432 ainManager$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 [2023-05-19 18:42:43,342 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2023-05-19 18:42:43,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 18:42:43,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 18:42:43,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 18:42:43,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 18:42:43,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 18:42:43,382 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,394 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,398 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 18:42:43,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 18:42:43,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 18:42:43,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 18:42:43,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 18:42:43,407 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,407 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,409 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,410 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,415 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,418 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,418 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,419 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 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 18:42:43,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 18:42:43,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 18:42:43,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 18:42:43,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:42:43" (1/1) ... [2023-05-19 18:42:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:42:43,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:43,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 18:42:43,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 18:42:43,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 18:42:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 18:42:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 18:42:43,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 18:42:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 18:42:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 18:42:43,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 18:42:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 18:42:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 18:42:43,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 18:42:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 18:42:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 18:42:43,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-19 18:42:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-19 18:42:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-19 18:42:43,484 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 18:42:43,536 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 18:42:43,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 18:42:43,684 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 18:42:43,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 18:42:43,715 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-19 18:42:43,716 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-05-19 18:42:43,716 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-05-19 18:42:43,716 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2023-05-19 18:42:43,718 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 06:42:43 BoogieIcfgContainer [2023-05-19 18:42:43,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 18:42:43,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 18:42:43,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 18:42:43,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 18:42:43,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:42:43" (1/2) ... [2023-05-19 18:42:43,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff8e85e and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 06:42:43, skipping insertion in model container [2023-05-19 18:42:43,750 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 19.05 06:42:43" (2/2) ... [2023-05-19 18:42:43,752 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2023-05-19 18:42:43,758 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 18:42:43,766 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 18:42:43,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 18:42:43,767 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 18:42:43,845 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-05-19 18:42:43,878 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:42:43,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 18:42:43,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:43,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 18:42:43,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 18:42:43,914 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 18:42:43,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2023-05-19 18:42:43,934 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;@4356c857, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:42:43,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-19 18:42:44,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-19 18:42:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-19 18:42:44,123 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-19 18:42:44,125 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-19 18:42:44,133 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:42:44,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 18:42:44,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:44,138 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) [2023-05-19 18:42:44,148 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 [2023-05-19 18:42:44,151 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 18:42:44,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 18:42:44,154 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;@4356c857, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:42:44,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 18:42:44,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 945049284, now seen corresponding path program 1 times [2023-05-19 18:42:44,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:44,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739276238] [2023-05-19 18:42:44,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:44,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:44,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739276238] [2023-05-19 18:42:44,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739276238] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 18:42:44,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 18:42:44,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-19 18:42:44,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881149604] [2023-05-19 18:42:44,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:42:44,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 18:42:44,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:44,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 18:42:44,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-19 18:42:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:44,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:44,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:42:44,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:42:44,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 18:42:44,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:44,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:44,602 INFO L85 PathProgramCache]: Analyzing trace with hash 715144492, now seen corresponding path program 1 times [2023-05-19 18:42:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:44,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043159705] [2023-05-19 18:42:44,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:44,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:44,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:44,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043159705] [2023-05-19 18:42:44,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043159705] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 18:42:44,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 18:42:44,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 18:42:44,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752436157] [2023-05-19 18:42:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:42:44,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 18:42:44,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:44,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 18:42:44,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 18:42:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:44,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:44,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:42:44,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 18:42:44,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:44,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 18:42:44,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:44,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:44,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1680939686, now seen corresponding path program 1 times [2023-05-19 18:42:44,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:44,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243353414] [2023-05-19 18:42:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:44,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:45,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:45,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243353414] [2023-05-19 18:42:45,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243353414] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:42:45,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070235082] [2023-05-19 18:42:45,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:45,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:45,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:45,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:42:45,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 18:42:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:45,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 18:42:45,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:42:45,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:45,486 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-19 18:42:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:45,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:42:45,794 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:42:45,795 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 15 treesize of output 16 [2023-05-19 18:42:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:45,820 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2023-05-19 18:42:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:45,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070235082] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:42:45,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:42:45,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-05-19 18:42:45,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285010889] [2023-05-19 18:42:45,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:42:45,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-19 18:42:45,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:45,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-19 18:42:45,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-05-19 18:42:45,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:45,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:45,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 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) [2023-05-19 18:42:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:46,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 18:42:46,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:46,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:46,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1033505844, now seen corresponding path program 1 times [2023-05-19 18:42:46,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:46,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142284299] [2023-05-19 18:42:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:42:46,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:46,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142284299] [2023-05-19 18:42:46,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142284299] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 18:42:46,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 18:42:46,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-19 18:42:46,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314540211] [2023-05-19 18:42:46,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:42:46,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 18:42:46,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:46,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 18:42:46,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-19 18:42:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:46,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:46,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:42:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:46,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 18:42:46,516 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2067382054, now seen corresponding path program 2 times [2023-05-19 18:42:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:46,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101553408] [2023-05-19 18:42:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 18:42:46,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:46,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101553408] [2023-05-19 18:42:46,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101553408] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:42:46,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485532125] [2023-05-19 18:42:46,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:42:46,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:46,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:46,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:42:46,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 18:42:46,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:42:46,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:42:46,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-19 18:42:46,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:42:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 18:42:46,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:42:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 18:42:46,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485532125] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-19 18:42:46,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-19 18:42:46,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 11 [2023-05-19 18:42:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427707473] [2023-05-19 18:42:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:42:46,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 18:42:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:46,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 18:42:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-05-19 18:42:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:46,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:46,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:42:46,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:46,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:46,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:46,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:46,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:46,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 18:42:47,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:47,048 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:47,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1645616857, now seen corresponding path program 1 times [2023-05-19 18:42:47,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:47,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082152239] [2023-05-19 18:42:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:47,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:47,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:47,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082152239] [2023-05-19 18:42:47,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082152239] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:42:47,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118422092] [2023-05-19 18:42:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:47,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:47,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:42:47,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 18:42:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:47,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-19 18:42:47,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:42:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:48,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:48,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:48,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 23 [2023-05-19 18:42:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:48,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:42:49,604 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:42:49,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 45 treesize of output 166 [2023-05-19 18:42:50,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,285 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:50,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:50,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:50,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:50,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:50,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 3 [2023-05-19 18:42:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:50,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118422092] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:42:50,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:42:50,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 50 [2023-05-19 18:42:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806820989] [2023-05-19 18:42:50,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:42:50,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-19 18:42:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:42:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-19 18:42:50,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2202, Unknown=0, NotChecked=0, Total=2450 [2023-05-19 18:42:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:50,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:42:50,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.38) internal successors, (69), 50 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) [2023-05-19 18:42:50,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:50,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:50,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:50,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:50,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:50,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:42:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:42:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:42:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:42:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:42:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 18:42:54,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 18:42:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:54,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:42:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:42:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash -784359744, now seen corresponding path program 2 times [2023-05-19 18:42:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:42:54,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210005235] [2023-05-19 18:42:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:42:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:42:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:42:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-05-19 18:42:56,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:42:56,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210005235] [2023-05-19 18:42:56,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210005235] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:42:56,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744528140] [2023-05-19 18:42:56,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:42:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:42:56,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:42:56,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:42:56,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 18:42:56,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:42:56,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:42:56,868 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2023-05-19 18:42:56,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:42:59,643 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,663 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,687 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:42:59,688 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:42:59,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 43 [2023-05-19 18:42:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:42:59,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:43:04,465 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:43:04,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 105 treesize of output 1006 [2023-05-19 18:43:22,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,329 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,332 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:43:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:43:22,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 3 [2023-05-19 18:43:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:43:22,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744528140] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:43:22,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:43:22,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 44, 44] total 99 [2023-05-19 18:43:22,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128854103] [2023-05-19 18:43:22,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:43:22,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-19 18:43:22,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:43:22,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-19 18:43:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=9058, Unknown=0, NotChecked=0, Total=9702 [2023-05-19 18:43:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:43:22,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:43:22,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 99 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 18:43:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:43:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-19 18:43:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 18:43:35,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-19 18:43:35,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:43:35,309 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:43:35,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:43:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1563223839, now seen corresponding path program 2 times [2023-05-19 18:43:35,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:43:35,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852334947] [2023-05-19 18:43:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:43:35,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:43:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:43:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 184 proven. 79 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-05-19 18:43:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:43:35,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852334947] [2023-05-19 18:43:35,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852334947] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:43:35,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373083910] [2023-05-19 18:43:35,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:43:35,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:43:35,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:43:35,987 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:43:35,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 18:43:36,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:43:36,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:43:36,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-19 18:43:36,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:43:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 2 proven. 839 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:43:37,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:43:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 161 proven. 102 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-05-19 18:43:37,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373083910] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:43:37,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:43:37,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 51, 8] total 56 [2023-05-19 18:43:37,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50763852] [2023-05-19 18:43:37,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:43:37,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-19 18:43:37,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:43:37,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-19 18:43:37,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2842, Unknown=0, NotChecked=0, Total=3080 [2023-05-19 18:43:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:43:37,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:43:37,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4107142857142856) internal successors, (135), 56 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:43:37,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-19 18:43:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-19 18:43:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:43:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-19 18:43:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 18:43:39,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 18:43:39,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:43:39,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 18:43:39,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:43:39,390 INFO L85 PathProgramCache]: Analyzing trace with hash 45170764, now seen corresponding path program 3 times [2023-05-19 18:43:39,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:43:39,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418061873] [2023-05-19 18:43:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:43:39,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:43:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:43:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 224 proven. 497 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2023-05-19 18:43:46,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:43:46,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418061873] [2023-05-19 18:43:46,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418061873] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:43:46,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780626835] [2023-05-19 18:43:46,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 18:43:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:43:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:43:46,069 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 18:43:46,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 18:43:46,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2023-05-19 18:43:46,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:43:46,178 WARN L261 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 335 conjunts are in the unsatisfiable core [2023-05-19 18:43:46,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:44:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:44:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:44:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:44:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:44:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:44:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:44:20,765 INFO L244 Elim1Store]: Index analysis took 469 ms [2023-05-19 18:44:36,565 WARN L233 SmtUtils]: Spent 15.79s on a formula simplification that was a NOOP. DAG size: 926 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 18:44:36,566 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 18:44:36,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 813 disjoint index pairs (out of 1431 index pairs), introduced 49 new quantified variables, introduced 473 case distinctions, treesize of input 349 treesize of output 3207 Received shutdown request... [2023-05-19 18:56:42,850 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:56:42,850 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:56:42,850 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:56:42,850 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 18:56:42,851 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 18:56:42,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-19 18:56:42,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 18:56:43,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 18:56:43,073 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. [2023-05-19 18:56:43,074 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-19 18:56:43,074 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-19 18:56:43,075 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1] [2023-05-19 18:56:43,075 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (2/2) [2023-05-19 18:56:43,078 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 18:56:43,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 18:56:43,080 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 06:56:43 BasicIcfg [2023-05-19 18:56:43,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 18:56:43,080 INFO L158 Benchmark]: Toolchain (without parser) took 839714.73ms. Allocated memory was 187.7MB in the beginning and 728.8MB in the end (delta: 541.1MB). Free memory was 139.1MB in the beginning and 557.3MB in the end (delta: -418.3MB). Peak memory consumption was 465.6MB. Max. memory is 8.0GB. [2023-05-19 18:56:43,080 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 18:56:43,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.01ms. Allocated memory is still 187.7MB. Free memory was 139.1MB in the beginning and 137.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 18:56:43,081 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 187.7MB. Free memory was 137.5MB in the beginning and 136.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 18:56:43,081 INFO L158 Benchmark]: RCFGBuilder took 296.93ms. Allocated memory was 187.7MB in the beginning and 291.5MB in the end (delta: 103.8MB). Free memory was 136.3MB in the beginning and 263.0MB in the end (delta: -126.7MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2023-05-19 18:56:43,081 INFO L158 Benchmark]: TraceAbstraction took 839345.70ms. Allocated memory was 291.5MB in the beginning and 728.8MB in the end (delta: 437.3MB). Free memory was 261.4MB in the beginning and 557.3MB in the end (delta: -295.9MB). Peak memory consumption was 481.6MB. Max. memory is 8.0GB. [2023-05-19 18:56:43,085 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 187.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.01ms. Allocated memory is still 187.7MB. Free memory was 139.1MB in the beginning and 137.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 187.7MB. Free memory was 137.5MB in the beginning and 136.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 296.93ms. Allocated memory was 187.7MB in the beginning and 291.5MB in the end (delta: 103.8MB). Free memory was 136.3MB in the beginning and 263.0MB in the end (delta: -126.7MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. * TraceAbstraction took 839345.70ms. Allocated memory was 291.5MB in the beginning and 728.8MB in the end (delta: 437.3MB). Free memory was 261.4MB in the beginning and 557.3MB in the end (delta: -295.9MB). Peak memory consumption was 481.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 718, independent: 689, independent conditional: 36, independent unconditional: 653, dependent: 29, dependent conditional: 22, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696, independent: 689, independent conditional: 36, independent unconditional: 653, 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: 696, independent: 689, independent conditional: 36, independent unconditional: 653, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 624, independent: 617, independent conditional: 0, independent unconditional: 617, 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: 624, independent: 606, independent conditional: 0, independent unconditional: 606, 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: 99, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 696, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 624, unknown conditional: 0, unknown unconditional: 624] , Statistics on independence cache: Total cache size (in pairs): 624, Positive cache size: 617, Positive conditional cache size: 0, Positive unconditional cache size: 617, 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: 22 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 29, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 660, independent: 653, independent conditional: 0, independent unconditional: 653, 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: 718, independent: 689, independent conditional: 36, independent unconditional: 653, dependent: 29, dependent conditional: 22, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696, independent: 689, independent conditional: 36, independent unconditional: 653, 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: 696, independent: 689, independent conditional: 36, independent unconditional: 653, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 696, independent: 689, independent conditional: 0, independent unconditional: 689, 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: 624, independent: 617, independent conditional: 0, independent unconditional: 617, 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: 624, independent: 606, independent conditional: 0, independent unconditional: 606, 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: 99, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 696, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 624, unknown conditional: 0, unknown unconditional: 624] , Statistics on independence cache: Total cache size (in pairs): 624, Positive cache size: 617, Positive conditional cache size: 0, Positive unconditional cache size: 617, 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: 22 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3605, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 840, dependent conditional: 832, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2864, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 99, dependent conditional: 91, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2864, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 99, dependent conditional: 91, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 410, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 394, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 394, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 821, independent: 720, independent conditional: 9, independent unconditional: 711, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 821, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 123, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 123, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 289, independent: 59, independent conditional: 21, independent unconditional: 38, dependent: 231, dependent conditional: 177, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3303, independent: 2045, independent conditional: 20, independent unconditional: 2025, dependent: 437, dependent conditional: 303, dependent unconditional: 134, unknown: 821, unknown conditional: 100, unknown unconditional: 721] , Statistics on independence cache: Total cache size (in pairs): 821, Positive cache size: 720, Positive conditional cache size: 9, Positive unconditional cache size: 711, Negative cache size: 101, Negative conditional cache size: 91, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 7, Independence queries for same thread: 741 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 74, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 776, independent: 768, independent conditional: 0, independent unconditional: 768, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3605, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 840, dependent conditional: 832, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2864, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 99, dependent conditional: 91, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2864, independent: 2765, independent conditional: 1997, independent unconditional: 768, dependent: 99, dependent conditional: 91, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 410, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 394, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3303, independent: 2765, independent conditional: 29, independent unconditional: 2736, dependent: 538, dependent conditional: 394, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 821, independent: 720, independent conditional: 9, independent unconditional: 711, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 821, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 123, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 123, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 101, dependent conditional: 91, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 289, independent: 59, independent conditional: 21, independent unconditional: 38, dependent: 231, dependent conditional: 177, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3303, independent: 2045, independent conditional: 20, independent unconditional: 2025, dependent: 437, dependent conditional: 303, dependent unconditional: 134, unknown: 821, unknown conditional: 100, unknown unconditional: 721] , Statistics on independence cache: Total cache size (in pairs): 821, Positive cache size: 720, Positive conditional cache size: 9, Positive unconditional cache size: 711, Negative cache size: 101, Negative conditional cache size: 91, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 7, Independence queries for same thread: 741 - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 838.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 19.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 268, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 33.9s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 13650 SizeOfPredicates, 52 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 263 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 1578/3091 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown