/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:45:14,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:45:14,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:45:14,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:45:14,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:45:14,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:45:14,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:45:14,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:45:14,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:45:14,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:45:14,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:45:14,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:45:14,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:45:14,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:45:14,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:45:14,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:45:14,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:45:14,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:45:14,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:45:14,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:45:14,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:45:14,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:45:14,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:45:14,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:45:14,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 11:45:14,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 11:45:14,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 11:45:14,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 11:45:14,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 11:45:14,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 11:45:14,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 11:45:14,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 11:45:14,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 11:45:14,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 11:45:14,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 11:45:14,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 11:45:14,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 11:45:14,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 11:45:14,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:45:14,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:45:14,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:45:14,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 11:45:14,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:45:14,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:45:14,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:45:14,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:45:14,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:45:14,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:45:14,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:45:14,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:45:14,438 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:45:14,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:45:14,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:45:14,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:45:14,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:45:14,440 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:45:14,441 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:45:14,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:45:14,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:45:14,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:45:14,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:45:14,662 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:45:14,664 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:45:14,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2022-03-16 11:45:14,665 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2022-03-16 11:45:14,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:45:14,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:45:14,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:45:14,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:45:14,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:45:14,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,726 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:45:14,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:45:14,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:45:14,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:45:14,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:45:14,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:45:14,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:45:14,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:45:14,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:45:14,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/1) ... [2022-03-16 11:45:14,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:45:14,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:45:14,771 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) [2022-03-16 11:45:14,791 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 [2022-03-16 11:45:14,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:45:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:45:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:45:14,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:45:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:45:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:45:14,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:45:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:45:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:45:14,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:45:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:45:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:45:14,804 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 11:45:14,840 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:45:14,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:45:14,918 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:45:14,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:45:14,944 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:45:14,945 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:45:14 BoogieIcfgContainer [2022-03-16 11:45:14,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:45:14,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:45:14,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:45:14,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:45:14,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:45:14" (1/2) ... [2022-03-16 11:45:14,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5134a0 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:45:14, skipping insertion in model container [2022-03-16 11:45:14,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:45:14" (2/2) ... [2022-03-16 11:45:14,965 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2022-03-16 11:45:14,968 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:45:14,968 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:45:14,968 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:45:14,968 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:45:15,030 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:45:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:45:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:45:15,077 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) [2022-03-16 11:45:15,081 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 [2022-03-16 11:45:15,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:45:15,113 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 11:45:15,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:45:15,175 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-03-16 11:45:15,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:45:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:45:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-03-16 11:45:15,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:45:15,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763641269] [2022-03-16 11:45:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:45:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:45:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:45:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 11:45:15,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:45:15,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763641269] [2022-03-16 11:45:15,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763641269] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:45:15,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960976409] [2022-03-16 11:45:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:45:15,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:45:15,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:45:15,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:45:15,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:45:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:45:15,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 11:45:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:45:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 11:45:15,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:45:15,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 11:45:15,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960976409] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:45:15,874 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:45:15,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-03-16 11:45:15,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742664556] [2022-03-16 11:45:15,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:45:15,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-16 11:45:15,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:45:15,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-16 11:45:15,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-03-16 11:45:15,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:45:15,899 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:45:15,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) [2022-03-16 11:45:15,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:45:16,341 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-03-16 11:45:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:45:16,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 11:45:16,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 11:45:16,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:45:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:45:16,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-03-16 11:45:16,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:45:16,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818282558] [2022-03-16 11:45:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:45:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:45:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:45:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:45:16,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:45:16,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818282558] [2022-03-16 11:45:16,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818282558] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:45:16,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444661013] [2022-03-16 11:45:16,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:45:16,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:45:16,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:45:16,678 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) [2022-03-16 11:45:16,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 11:45:16,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:45:16,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:45:16,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 11:45:16,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:45:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:45:16,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:45:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:45:17,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444661013] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:45:17,049 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:45:17,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-16 11:45:17,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468438123] [2022-03-16 11:45:17,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:45:17,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-16 11:45:17,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:45:17,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-16 11:45:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-16 11:45:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:45:17,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:45:17,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 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) [2022-03-16 11:45:17,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:45:17,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:45:17,393 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-03-16 11:45:17,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:45:17,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:45:17,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:45:17,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:45:17,594 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:45:17,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:45:17,595 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-03-16 11:45:17,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:45:17,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837747886] [2022-03-16 11:45:17,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:45:17,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:45:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:45:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:45:23,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:45:23,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837747886] [2022-03-16 11:45:23,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837747886] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:45:23,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932669054] [2022-03-16 11:45:23,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:45:23,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:45:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:45:23,526 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) [2022-03-16 11:45:23,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 11:45:23,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-16 11:45:23,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:45:23,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-16 11:45:23,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:45:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:45:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:45:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:45:33,839 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:45:33,840 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 487 treesize of output 375 [2022-03-16 11:47:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:47:31,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:47:50,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:47:50,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:47:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:47:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:47:50,529 INFO L353 Elim1Store]: treesize reduction 32, result has 77.3 percent of original size [2022-03-16 11:47:50,530 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 1757 treesize of output 1011 [2022-03-16 11:51:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:09,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932669054] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:51:09,884 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:51:09,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-03-16 11:51:09,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047539068] [2022-03-16 11:51:09,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:51:09,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-16 11:51:09,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:51:09,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-16 11:51:09,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1215, Unknown=0, NotChecked=0, Total=1332 [2022-03-16 11:51:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:09,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:51:09,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 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) [2022-03-16 11:51:09,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:09,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:09,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:21,698 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 132 transitions and produced 128 states. [2022-03-16 11:51:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:51:21,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 11:51:21,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:51:21,900 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:51:21,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:51:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash 295188584, now seen corresponding path program 4 times [2022-03-16 11:51:21,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:51:21,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079306290] [2022-03-16 11:51:21,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:51:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:51:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:51:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:22,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:51:22,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079306290] [2022-03-16 11:51:22,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079306290] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:51:22,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338886473] [2022-03-16 11:51:22,012 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:51:22,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:51:22,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:51:22,014 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) [2022-03-16 11:51:22,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 11:51:22,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:51:22,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:51:22,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 11:51:22,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:51:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:22,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:51:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:22,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338886473] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:51:22,473 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:51:22,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2022-03-16 11:51:22,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467410003] [2022-03-16 11:51:22,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:51:22,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-16 11:51:22,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:51:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-16 11:51:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930 [2022-03-16 11:51:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:22,475 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:51:22,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 31 states have internal predecessors, (79), 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) [2022-03-16 11:51:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:51:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:23,264 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 163 states. [2022-03-16 11:51:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:51:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-16 11:51:23,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 11:51:23,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:51:23,466 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:51:23,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:51:23,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1891723518, now seen corresponding path program 5 times [2022-03-16 11:51:23,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:51:23,467 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284092416] [2022-03-16 11:51:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:51:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:51:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:51:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:23,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:51:23,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284092416] [2022-03-16 11:51:23,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284092416] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:51:23,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80826332] [2022-03-16 11:51:23,618 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:51:23,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:51:23,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:51:23,633 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) [2022-03-16 11:51:23,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 11:51:23,674 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-16 11:51:23,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:51:23,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-16 11:51:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:51:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:23,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:51:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:51:24,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80826332] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:51:24,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:51:24,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 41 [2022-03-16 11:51:24,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450635238] [2022-03-16 11:51:24,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:51:24,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-16 11:51:24,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:51:24,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-16 11:51:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1328, Unknown=0, NotChecked=0, Total=1640 [2022-03-16 11:51:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:24,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:51:24,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 41 states have internal predecessors, (100), 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) [2022-03-16 11:51:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:51:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-16 11:51:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:51:26,183 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1092 transitions and produced 492 states. [2022-03-16 11:51:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:51:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 11:51:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:51:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-03-16 11:51:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 11:51:26,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 11:51:26,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:51:26,385 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:51:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:51:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1849881662, now seen corresponding path program 6 times [2022-03-16 11:51:26,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:51:26,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92748065] [2022-03-16 11:51:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:51:26,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:51:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:54:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:54:28,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:54:28,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92748065] [2022-03-16 11:54:28,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92748065] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:54:28,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452733942] [2022-03-16 11:54:28,165 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:54:28,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:54:28,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:54:28,167 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) [2022-03-16 11:54:28,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 11:54:28,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-16 11:54:28,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:54:28,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-16 11:54:28,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:56:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:56:03,181 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:56:03,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 41 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 3867 treesize of output 2325 Received shutdown request... [2022-03-16 11:59:11,795 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:59:11,797 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:59:11,804 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 [2022-03-16 11:59:11,805 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:59:11,807 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 [2022-03-16 11:59:11,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 11:59:11,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:59:11,998 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 29ms.. [2022-03-16 11:59:11,999 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:59:11,999 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:59:11,999 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:59:12,003 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:59:12,009 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:59:12,009 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:59:12,010 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:59:12 BasicIcfg [2022-03-16 11:59:12,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:59:12,011 INFO L158 Benchmark]: Toolchain (without parser) took 837309.82ms. Allocated memory was 187.7MB in the beginning and 950.0MB in the end (delta: 762.3MB). Free memory was 148.2MB in the beginning and 444.9MB in the end (delta: -296.7MB). Peak memory consumption was 598.4MB. Max. memory is 8.0GB. [2022-03-16 11:59:12,011 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory was 149.5MB in the beginning and 149.4MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:59:12,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.84ms. Allocated memory is still 187.7MB. Free memory was 148.2MB in the beginning and 146.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:59:12,012 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 187.7MB. Free memory was 146.6MB in the beginning and 145.7MB in the end (delta: 924.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:59:12,012 INFO L158 Benchmark]: RCFGBuilder took 198.49ms. Allocated memory is still 187.7MB. Free memory was 145.6MB in the beginning and 136.3MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:59:12,012 INFO L158 Benchmark]: TraceAbstraction took 837063.42ms. Allocated memory was 187.7MB in the beginning and 950.0MB in the end (delta: 762.3MB). Free memory was 135.8MB in the beginning and 444.9MB in the end (delta: -309.1MB). Peak memory consumption was 586.9MB. Max. memory is 8.0GB. [2022-03-16 11:59:12,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory was 149.5MB in the beginning and 149.4MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.84ms. Allocated memory is still 187.7MB. Free memory was 148.2MB in the beginning and 146.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 187.7MB. Free memory was 146.6MB in the beginning and 145.7MB in the end (delta: 924.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 198.49ms. Allocated memory is still 187.7MB. Free memory was 145.6MB in the beginning and 136.3MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 837063.42ms. Allocated memory was 187.7MB in the beginning and 950.0MB in the end (delta: 762.3MB). Free memory was 135.8MB in the beginning and 444.9MB in the end (delta: -309.1MB). Peak memory consumption was 586.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 29ms.. - TimeoutResultAtElement [Line: 59]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 29ms.. - TimeoutResultAtElement [Line: 59]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 29ms.. - TimeoutResultAtElement [Line: 60]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 29ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 222, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 354.4s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 507 ConstructedInterpolants, 16 QuantifiedInterpolants, 25261 SizeOfPredicates, 42 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 150/420 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