/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-218013a [2023-05-03 22:45:43,085 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 22:45:43,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 22:45:43,205 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 22:45:43,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 22:45:43,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 22:45:43,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 22:45:43,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 22:45:43,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 22:45:43,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 22:45:43,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 22:45:43,207 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 22:45:43,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 22:45:43,208 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 22:45:43,209 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 22:45:43,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 22:45:43,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 22:45:43,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 22:45:43,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 22:45:43,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 22:45:43,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 22:45:43,212 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 22:45:43,212 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 22:45:43,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 22:45:43,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 22:45:43,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 22:45:43,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 22:45:43,213 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 22:45:43,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 22:45:43,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 22:45:43,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 22:45:43,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 22:45:43,506 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 22:45:43,509 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 22:45:43,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2023-05-03 22:45:43,511 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2023-05-03 22:45:43,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 22:45:43,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 22:45:43,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 22:45:43,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 22:45:43,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 22:45:43,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,584 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 22:45:43,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 22:45:43,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 22:45:43,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 22:45:43,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 22:45:43,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 22:45:43,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 22:45:43,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 22:45:43,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 22:45:43,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/1) ... [2023-05-03 22:45:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 22:45:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:43,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-03 22:45:43,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-03 22:45:43,679 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 22:45:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 22:45:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 22:45:43,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 22:45:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 22:45:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 22:45:43,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 22:45:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 22:45:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 22:45:43,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 22:45:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 22:45:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 22:45:43,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-03 22:45:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-03 22:45:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-03 22:45:43,685 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 22:45:43,726 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 22:45:43,728 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 22:45:43,804 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 22:45:43,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 22:45:43,842 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-03 22:45:43,843 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-05-03 22:45:43,843 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-05-03 22:45:43,843 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2023-05-03 22:45:43,845 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:45:43 BoogieIcfgContainer [2023-05-03 22:45:43,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 22:45:43,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 22:45:43,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 22:45:43,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 22:45:43,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:45:43" (1/2) ... [2023-05-03 22:45:43,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e166876 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:45:43, skipping insertion in model container [2023-05-03 22:45:43,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:45:43" (2/2) ... [2023-05-03 22:45:43,884 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2023-05-03 22:45:43,890 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 22:45:43,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 22:45:43,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 22:45:43,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 22:45:43,991 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-05-03 22:45:44,048 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:45:44,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 22:45:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:44,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 22:45:44,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 22:45:44,106 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 22:45:44,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2023-05-03 22:45:44,140 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;@342e4311, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:45:44,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-03 22:45:44,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-03 22:45:44,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-03 22:45:44,363 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-03 22:45:44,365 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-03 22:45:44,381 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:45:44,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 22:45:44,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:44,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 22:45:44,396 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 22:45:44,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 22:45:44,398 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;@342e4311, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:45:44,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-03 22:45:44,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-05-03 22:45:44,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash 945049284, now seen corresponding path program 1 times [2023-05-03 22:45:44,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:44,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15838557] [2023-05-03 22:45:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:44,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:44,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:44,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15838557] [2023-05-03 22:45:44,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15838557] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 22:45:44,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 22:45:44,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-03 22:45:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864015108] [2023-05-03 22:45:44,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 22:45:44,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 22:45:44,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:44,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 22:45:44,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-03 22:45:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:44,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:44,854 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) [2023-05-03 22:45:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 22:45:44,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 22:45:44,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash 715144492, now seen corresponding path program 1 times [2023-05-03 22:45:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:44,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147030530] [2023-05-03 22:45:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:44,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:45,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:45,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147030530] [2023-05-03 22:45:45,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147030530] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 22:45:45,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 22:45:45,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 22:45:45,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572609638] [2023-05-03 22:45:45,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 22:45:45,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 22:45:45,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:45,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 22:45:45,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 22:45:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:45,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:45,033 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) [2023-05-03 22:45:45,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 22:45:45,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:45,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:45,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 22:45:45,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:45,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:45,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1680939686, now seen corresponding path program 1 times [2023-05-03 22:45:45,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:45,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627867877] [2023-05-03 22:45:45,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:45,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:45,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:45,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627867877] [2023-05-03 22:45:45,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627867877] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:45:45,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904369123] [2023-05-03 22:45:45,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:45,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:45:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:45,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:45:45,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 22:45:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:45,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-03 22:45:45,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:45:45,771 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:45,778 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 [2023-05-03 22:45:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:45,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:45:46,033 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 22:45:46,034 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 [2023-05-03 22:45:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:46,048 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 [2023-05-03 22:45:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:46,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904369123] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:45:46,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:45:46,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-05-03 22:45:46,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105271416] [2023-05-03 22:45:46,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:45:46,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-03 22:45:46,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:46,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-03 22:45:46,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-05-03 22:45:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:46,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:46,063 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) [2023-05-03 22:45:46,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:46,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:46,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:46,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-03 22:45:46,559 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 [2023-05-03 22:45:46,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1033505844, now seen corresponding path program 1 times [2023-05-03 22:45:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:46,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257874151] [2023-05-03 22:45:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 22:45:46,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:46,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257874151] [2023-05-03 22:45:46,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257874151] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 22:45:46,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 22:45:46,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-03 22:45:46,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71279382] [2023-05-03 22:45:46,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 22:45:46,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 22:45:46,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:46,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 22:45:46,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-03 22:45:46,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:46,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:46,644 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) [2023-05-03 22:45:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:46,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-03 22:45:46,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:46,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:46,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2067382054, now seen corresponding path program 2 times [2023-05-03 22:45:46,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:46,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045427496] [2023-05-03 22:45:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 22:45:46,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:46,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045427496] [2023-05-03 22:45:46,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045427496] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:45:46,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708401516] [2023-05-03 22:45:46,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 22:45:46,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:45:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:46,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:45:46,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 22:45:46,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 22:45:46,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:45:46,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-03 22:45:46,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:45:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 22:45:46,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:45:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 22:45:47,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708401516] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-03 22:45:47,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-03 22:45:47,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 11 [2023-05-03 22:45:47,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989211339] [2023-05-03 22:45:47,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 22:45:47,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-03 22:45:47,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:47,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-03 22:45:47,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-05-03 22:45:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:47,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:47,017 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) [2023-05-03 22:45:47,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:47,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:47,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:47,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:47,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:47,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 22:45:47,339 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 [2023-05-03 22:45:47,340 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:47,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1645616857, now seen corresponding path program 1 times [2023-05-03 22:45:47,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:47,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45777395] [2023-05-03 22:45:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:48,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45777395] [2023-05-03 22:45:48,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45777395] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:45:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140434681] [2023-05-03 22:45:48,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:48,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:45:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:48,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:45:48,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 22:45:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:48,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-03 22:45:48,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:45:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:49,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:49,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:49,123 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 [2023-05-03 22:45:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:49,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:45:50,008 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 22:45:50,009 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 [2023-05-03 22:45:50,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:50,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:50,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:50,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:50,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:50,704 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 [2023-05-03 22:45:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:45:50,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140434681] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:45:50,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:45:50,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 50 [2023-05-03 22:45:50,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690882041] [2023-05-03 22:45:50,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:45:50,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-03 22:45:50,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:45:50,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-03 22:45:50,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2202, Unknown=0, NotChecked=0, Total=2450 [2023-05-03 22:45:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:50,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:45:50,719 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) [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:45:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:45:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:45:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:45:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:45:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-03 22:45:55,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 22:45:55,256 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 [2023-05-03 22:45:55,256 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:45:55,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:45:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash -784359744, now seen corresponding path program 2 times [2023-05-03 22:45:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:45:55,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742177681] [2023-05-03 22:45:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:45:55,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:45:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:45:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-05-03 22:45:57,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:45:57,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742177681] [2023-05-03 22:45:57,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742177681] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:45:57,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034395398] [2023-05-03 22:45:57,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 22:45:57,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:45:57,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:45:57,265 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:45:57,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 22:45:57,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 22:45:57,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:45:57,323 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2023-05-03 22:45:57,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:45:59,874 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,890 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:45:59,915 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:45:59,917 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 [2023-05-03 22:46:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:46:00,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:46:04,327 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 22:46:04,328 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 [2023-05-03 22:46:24,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,853 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,853 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,860 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,860 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,864 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,869 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,869 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,870 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,871 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,873 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,873 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,873 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,874 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:46:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:46:24,877 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 [2023-05-03 22:46:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:46:24,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034395398] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:46:24,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:46:24,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 44, 44] total 99 [2023-05-03 22:46:24,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422738570] [2023-05-03 22:46:24,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:46:24,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-03 22:46:24,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:46:24,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-03 22:46:24,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=9058, Unknown=0, NotChecked=0, Total=9702 [2023-05-03 22:46:24,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:46:24,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:46:24,893 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) [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-03 22:46:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:46:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-03 22:46:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 22:46:37,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 22:46:37,242 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 [2023-05-03 22:46:37,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:46:37,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:46:37,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1563223839, now seen corresponding path program 2 times [2023-05-03 22:46:37,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:46:37,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704450509] [2023-05-03 22:46:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:46:37,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:46:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:46:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 184 proven. 79 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-05-03 22:46:38,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:46:38,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704450509] [2023-05-03 22:46:38,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704450509] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:46:38,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876504918] [2023-05-03 22:46:38,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 22:46:38,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:46:38,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:46:38,030 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:46:38,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 22:46:38,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 22:46:38,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:46:38,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-03 22:46:38,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:46:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 2 proven. 839 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:46:39,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:46:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 161 proven. 102 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-05-03 22:46:39,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876504918] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:46:39,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:46:39,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 51, 8] total 56 [2023-05-03 22:46:39,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862141418] [2023-05-03 22:46:39,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:46:39,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-03 22:46:39,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:46:39,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-03 22:46:39,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2842, Unknown=0, NotChecked=0, Total=3080 [2023-05-03 22:46:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:46:39,431 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:46:39,432 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) [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-03 22:46:39,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-03 22:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 22:46:41,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 22:46:41,272 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 [2023-05-03 22:46:41,272 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 22:46:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:46:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash 45170764, now seen corresponding path program 3 times [2023-05-03 22:46:41,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:46:41,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291352599] [2023-05-03 22:46:41,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:46:41,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:46:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:46:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 224 proven. 497 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2023-05-03 22:46:48,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:46:48,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291352599] [2023-05-03 22:46:48,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291352599] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:46:48,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495170290] [2023-05-03 22:46:48,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 22:46:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:46:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:46:48,217 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:46:48,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 22:46:48,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2023-05-03 22:46:48,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:46:48,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 335 conjunts are in the unsatisfiable core [2023-05-03 22:46:48,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:47:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:47:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:47:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,914 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:47:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:47:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 22:47:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 22:47:25,117 INFO L244 Elim1Store]: Index analysis took 493 ms [2023-05-03 22:47:41,287 WARN L233 SmtUtils]: Spent 16.16s 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) [2023-05-03 22:47:41,287 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 22:47:41,288 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... [2023-05-03 22:59:37,459 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-03 22:59:37,460 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 [2023-05-03 22:59:37,474 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 [2023-05-03 22:59:37,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-03 22:59:37,477 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 [2023-05-03 22:59:37,477 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 [2023-05-03 22:59:37,659 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 [2023-05-03 22:59:37,660 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. [2023-05-03 22:59:37,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-03 22:59:37,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-03 22:59:37,662 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1] [2023-05-03 22:59:37,662 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (2/2) [2023-05-03 22:59:37,664 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 22:59:37,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 22:59:37,666 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 10:59:37 BasicIcfg [2023-05-03 22:59:37,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 22:59:37,666 INFO L158 Benchmark]: Toolchain (without parser) took 834117.67ms. Allocated memory was 127.9MB in the beginning and 893.4MB in the end (delta: 765.5MB). Free memory was 89.5MB in the beginning and 673.3MB in the end (delta: -583.8MB). Peak memory consumption was 553.4MB. Max. memory is 8.0GB. [2023-05-03 22:59:37,667 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 22:59:37,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory was 127.9MB in the beginning and 170.9MB in the end (delta: 43.0MB). Free memory was 89.4MB in the beginning and 153.2MB in the end (delta: -63.8MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2023-05-03 22:59:37,667 INFO L158 Benchmark]: Boogie Preprocessor took 20.97ms. Allocated memory is still 170.9MB. Free memory was 153.2MB in the beginning and 152.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 22:59:37,668 INFO L158 Benchmark]: RCFGBuilder took 236.31ms. Allocated memory is still 170.9MB. Free memory was 152.1MB in the beginning and 141.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-03 22:59:37,668 INFO L158 Benchmark]: TraceAbstraction took 833804.62ms. Allocated memory was 170.9MB in the beginning and 893.4MB in the end (delta: 722.5MB). Free memory was 140.2MB in the beginning and 673.3MB in the end (delta: -533.1MB). Peak memory consumption was 560.2MB. Max. memory is 8.0GB. [2023-05-03 22:59:37,669 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 0.14ms. Allocated memory is still 127.9MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.71ms. Allocated memory was 127.9MB in the beginning and 170.9MB in the end (delta: 43.0MB). Free memory was 89.4MB in the beginning and 153.2MB in the end (delta: -63.8MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.97ms. Allocated memory is still 170.9MB. Free memory was 153.2MB in the beginning and 152.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 236.31ms. Allocated memory is still 170.9MB. Free memory was 152.1MB in the beginning and 141.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 833804.62ms. Allocated memory was 170.9MB in the beginning and 893.4MB in the end (delta: 722.5MB). Free memory was 140.2MB in the beginning and 673.3MB in the end (delta: -533.1MB). Peak memory consumption was 560.2MB. 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: 129, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 91, dependent conditional: 0, dependent unconditional: 91, 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: 0.2s, 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: 129, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 91, dependent conditional: 0, dependent unconditional: 91, 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: 343, independent: 85, independent conditional: 42, independent unconditional: 43, dependent: 258, dependent conditional: 184, dependent unconditional: 75, 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: 343, independent: 85, independent conditional: 42, independent unconditional: 43, dependent: 258, dependent conditional: 184, dependent unconditional: 75, 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 PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. - 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: 0.3s, 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: 833.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 19.0s, 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, 0.3s SatisfiabilityAnalysisTime, 36.1s 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