/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 23:02:50,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 23:02:50,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 23:02:50,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 23:02:50,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 23:02:50,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 23:02:50,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 23:02:50,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 23:02:50,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 23:02:50,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 23:02:50,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 23:02:50,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 23:02:50,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 23:02:50,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 23:02:50,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 23:02:50,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 23:02:50,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 23:02:50,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 23:02:50,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 23:02:50,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 23:02:50,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 23:02:50,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 23:02:50,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 23:02:50,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 23:02:50,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 23:02:50,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 23:02:50,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 23:02:50,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 23:02:50,321 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 23:02:50,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 23:02:50,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 23:02:50,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 23:02:50,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 23:02:50,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 23:02:50,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 23:02:50,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 23:02:50,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 23:02:50,356 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 23:02:50,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 23:02:50,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 23:02:50,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 23:02:50,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 23:02:50,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 23:02:50,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:02:50,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 23:02:50,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 23:02:50,360 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 23:02:50,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 23:02:50,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 23:02:50,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 23:02:50,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 23:02:50,608 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 23:02:50,608 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 23:02:50,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2022-03-16 23:02:50,609 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2022-03-16 23:02:50,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 23:02:50,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 23:02:50,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 23:02:50,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 23:02:50,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 23:02:50,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,655 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 23:02:50,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 23:02:50,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 23:02:50,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 23:02:50,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 23:02:50,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 23:02:50,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 23:02:50,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 23:02:50,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 23:02:50,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/1) ... [2022-03-16 23:02:50,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:02:50,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:02:50,717 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 23:02:50,730 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 23:02:50,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 23:02:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 23:02:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 23:02:50,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 23:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 23:02:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 23:02:50,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 23:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 23:02:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 23:02:50,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 23:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 23:02:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 23:02:50,755 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 23:02:50,794 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 23:02:50,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 23:02:50,904 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 23:02:50,917 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 23:02:50,917 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 23:02:50,935 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:02:50 BoogieIcfgContainer [2022-03-16 23:02:50,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 23:02:50,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 23:02:50,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 23:02:50,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 23:02:50,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:02:50" (1/2) ... [2022-03-16 23:02:50,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ac2aec and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:02:50, skipping insertion in model container [2022-03-16 23:02:50,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:02:50" (2/2) ... [2022-03-16 23:02:50,956 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2022-03-16 23:02:50,960 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 23:02:50,960 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 23:02:50,960 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 23:02:50,960 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 23:02:51,023 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 23:02:51,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 23:02:51,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:02:51,076 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 23:02:51,100 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 23:02:51,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 23:02:51,152 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=true, mMcrOverapproximateWrwc=true [2022-03-16 23:02:51,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 23:02:51,507 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 368 transitions and produced 335 states. [2022-03-16 23:02:51,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:02:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:02:51,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1419093048, now seen corresponding path program 1 times [2022-03-16 23:02:51,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:02:51,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527470052] [2022-03-16 23:02:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:02:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:02:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:02:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 477 proven. 615 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 23:02:52,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:02:52,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527470052] [2022-03-16 23:02:52,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527470052] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:02:52,661 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585820455] [2022-03-16 23:02:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:02:52,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:02:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:02:52,671 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 23:02:52,701 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 23:02:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:02:52,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 48 conjunts are in the unsatisfiable core [2022-03-16 23:02:52,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:02:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 516 proven. 576 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 23:02:54,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:02:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 633 proven. 467 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 23:02:55,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585820455] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:02:55,606 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:02:55,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 45] total 98 [2022-03-16 23:02:55,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146345723] [2022-03-16 23:02:55,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:02:55,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-16 23:02:55,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:02:55,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-16 23:02:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2315, Invalid=7191, Unknown=0, NotChecked=0, Total=9506 [2022-03-16 23:02:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:02:55,640 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:02:55,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.4285714285714284) internal successors, (238), 98 states have internal predecessors, (238), 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 23:02:55,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:00,103 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 600 states. [2022-03-16 23:03:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:00,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 23:03:00,311 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 23:03:00,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:00,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1593593188, now seen corresponding path program 2 times [2022-03-16 23:03:00,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:00,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429814772] [2022-03-16 23:03:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:00,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1169 proven. 1736 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:02,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:02,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429814772] [2022-03-16 23:03:02,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429814772] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:02,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521820723] [2022-03-16 23:03:02,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:03:02,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:02,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:02,256 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 23:03:02,257 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 23:03:02,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:03:02,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:02,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-16 23:03:02,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1236 proven. 1669 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:04,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1073 proven. 1840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:03:07,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521820723] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:07,698 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:07,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 84] total 164 [2022-03-16 23:03:07,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849966094] [2022-03-16 23:03:07,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:07,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-03-16 23:03:07,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:07,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-03-16 23:03:07,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5285, Invalid=21447, Unknown=0, NotChecked=0, Total=26732 [2022-03-16 23:03:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:07,715 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:07,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.2439024390243905) internal successors, (368), 164 states have internal predecessors, (368), 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 23:03:07,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:07,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:14,635 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 835 transitions and produced 791 states. [2022-03-16 23:03:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:03:14,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 23:03:14,836 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 23:03:14,837 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1951260260, now seen corresponding path program 3 times [2022-03-16 23:03:14,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:14,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882371316] [2022-03-16 23:03:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2289 proven. 2683 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:17,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:17,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882371316] [2022-03-16 23:03:17,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882371316] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:17,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474342216] [2022-03-16 23:03:17,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:03:17,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:17,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:17,608 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 23:03:17,609 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 23:03:19,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-03-16 23:03:19,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:19,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-16 23:03:19,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2384 proven. 2588 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:23,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2025 proven. 2955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:03:28,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474342216] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:28,371 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:28,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 107] total 222 [2022-03-16 23:03:28,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527412117] [2022-03-16 23:03:28,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:28,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-03-16 23:03:28,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:28,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-03-16 23:03:28,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10115, Invalid=38947, Unknown=0, NotChecked=0, Total=49062 [2022-03-16 23:03:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:28,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:28,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1576576576576576) internal successors, (479), 222 states have internal predecessors, (479), 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 23:03:28,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:28,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:03:28,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:41,009 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1097 transitions and produced 1038 states. [2022-03-16 23:03:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:03:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:03:41,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 23:03:41,210 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 23:03:41,211 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:41,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1861312314, now seen corresponding path program 4 times [2022-03-16 23:03:41,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:41,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311353221] [2022-03-16 23:03:41,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3801 proven. 5235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:46,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:46,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311353221] [2022-03-16 23:03:46,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311353221] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:46,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179034080] [2022-03-16 23:03:46,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:03:46,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:46,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:46,198 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 23:03:46,200 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 23:03:46,314 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:03:46,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:46,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-16 23:03:46,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3924 proven. 5112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:03:51,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3369 proven. 5675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:03:58,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179034080] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:58,204 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:58,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 143] total 273 [2022-03-16 23:03:58,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647358048] [2022-03-16 23:03:58,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:58,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-16 23:03:58,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:58,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-16 23:03:58,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14568, Invalid=59688, Unknown=0, NotChecked=0, Total=74256 [2022-03-16 23:03:58,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:58,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:58,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 2.1465201465201464) internal successors, (586), 273 states have internal predecessors, (586), 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 23:03:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:03:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:03:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:03:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:04:16,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1283 transitions and produced 1217 states. [2022-03-16 23:04:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:04:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:04:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:04:16,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:04:16,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 23:04:16,982 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 23:04:16,983 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:04:16,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:04:16,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1153497356, now seen corresponding path program 5 times [2022-03-16 23:04:16,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:04:16,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147113185] [2022-03-16 23:04:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:04:16,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:04:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:04:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5705 proven. 6323 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:04:23,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:04:23,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147113185] [2022-03-16 23:04:23,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147113185] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:04:23,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182047591] [2022-03-16 23:04:23,242 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:04:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:04:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:04:23,244 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 23:04:23,244 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 23:04:23,710 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 87 check-sat command(s) [2022-03-16 23:04:23,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:04:23,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 162 conjunts are in the unsatisfiable core [2022-03-16 23:04:23,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:04:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5856 proven. 6172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:04:31,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:04:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5105 proven. 6931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:04:41,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182047591] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:04:41,154 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:04:41,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155, 155, 163] total 334 [2022-03-16 23:04:41,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152487120] [2022-03-16 23:04:41,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:04:41,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2022-03-16 23:04:41,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:04:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2022-03-16 23:04:41,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23093, Invalid=88129, Unknown=0, NotChecked=0, Total=111222 [2022-03-16 23:04:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:04:41,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:04:41,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 2.104790419161677) internal successors, (703), 334 states have internal predecessors, (703), 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 23:04:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:04:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:04:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:04:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:04:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:05:07,652 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1545 transitions and produced 1464 states. [2022-03-16 23:05:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:05:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:05:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:05:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:05:07,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:05:07,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 23:05:07,854 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 23:05:07,854 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:05:07,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:05:07,855 INFO L85 PathProgramCache]: Analyzing trace with hash -489899690, now seen corresponding path program 6 times [2022-03-16 23:05:07,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:05:07,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810144526] [2022-03-16 23:05:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:05:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:05:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:05:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8001 proven. 10107 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:05:17,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:05:17,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810144526] [2022-03-16 23:05:17,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810144526] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:05:17,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581027239] [2022-03-16 23:05:17,328 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:05:17,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:05:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:05:17,332 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 23:05:17,336 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 23:05:19,387 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 101 check-sat command(s) [2022-03-16 23:05:19,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:05:19,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 198 conjunts are in the unsatisfiable core [2022-03-16 23:05:19,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:05:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8180 proven. 9928 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:05:30,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:05:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 7233 proven. 10883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:05:42,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581027239] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:05:42,047 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:05:42,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 199] total 385 [2022-03-16 23:05:42,047 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506674136] [2022-03-16 23:05:42,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:05:42,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-03-16 23:05:42,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:05:42,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-03-16 23:05:42,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29702, Invalid=118138, Unknown=0, NotChecked=0, Total=147840 [2022-03-16 23:05:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:05:42,062 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:05:42,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 385 states, 385 states have (on average 2.103896103896104) internal successors, (810), 385 states have internal predecessors, (810), 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 23:05:42,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:05:42,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:05:42,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:05:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:05:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:05:42,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:06:19,400 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1731 transitions and produced 1643 states. [2022-03-16 23:06:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:06:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:06:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:06:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:06:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:06:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:06:19,420 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 23:06:19,601 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 23:06:19,602 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:06:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:06:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1772113796, now seen corresponding path program 7 times [2022-03-16 23:06:19,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:06:19,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94003211] [2022-03-16 23:06:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:06:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:06:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:06:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10689 proven. 11531 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:06:31,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:06:31,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94003211] [2022-03-16 23:06:31,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94003211] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:06:31,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689185549] [2022-03-16 23:06:31,134 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:06:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:06:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:06:31,138 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) [2022-03-16 23:06:31,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 23:06:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:06:31,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-16 23:06:31,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:06:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10896 proven. 11324 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:06:45,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:07:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 9753 proven. 12475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:07:02,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689185549] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:07:02,091 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:07:02,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 219] total 446 [2022-03-16 23:07:02,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944000702] [2022-03-16 23:07:02,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:07:02,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2022-03-16 23:07:02,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:07:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2022-03-16 23:07:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41559, Invalid=156911, Unknown=0, NotChecked=0, Total=198470 [2022-03-16 23:07:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:07:02,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:07:02,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 446 states, 446 states have (on average 2.07847533632287) internal successors, (927), 446 states have internal predecessors, (927), 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 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:07:02,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:07:51,233 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1993 transitions and produced 1890 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:07:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:07:51,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-16 23:07:51,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-16 23:07:51,439 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:07:51,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:07:51,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1138422246, now seen corresponding path program 8 times [2022-03-16 23:07:51,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:07:51,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396931842] [2022-03-16 23:07:51,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:07:51,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:07:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:08:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 13769 proven. 16547 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:08:07,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:08:07,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396931842] [2022-03-16 23:08:07,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396931842] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:08:07,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738077909] [2022-03-16 23:08:07,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:08:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:08:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:08:07,154 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:08:07,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 23:08:07,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:08:07,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:08:07,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 254 conjunts are in the unsatisfiable core [2022-03-16 23:08:07,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:08:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 14004 proven. 16312 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:08:26,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:08:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 12665 proven. 17659 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:08:44,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738077909] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:08:44,827 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:08:44,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 255] total 497 [2022-03-16 23:08:44,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881009426] [2022-03-16 23:08:44,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:08:44,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 497 states [2022-03-16 23:08:44,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:08:44,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2022-03-16 23:08:44,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50324, Invalid=196188, Unknown=0, NotChecked=0, Total=246512 [2022-03-16 23:08:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:08:44,848 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:08:44,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 497 states, 497 states have (on average 2.080482897384306) internal successors, (1034), 497 states have internal predecessors, (1034), 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 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:08:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:09:49,486 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2179 transitions and produced 2069 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:09:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:09:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:09:49,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 23:09:49,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:09:49,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:09:49,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:09:49,688 INFO L85 PathProgramCache]: Analyzing trace with hash 934393876, now seen corresponding path program 9 times [2022-03-16 23:09:49,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:09:49,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960444616] [2022-03-16 23:09:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:09:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:09:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:10:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17241 proven. 18307 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:10:08,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:10:08,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960444616] [2022-03-16 23:10:08,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960444616] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:10:08,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163636811] [2022-03-16 23:10:08,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:10:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:10:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:10:08,078 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:10:08,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 23:10:43,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 143 check-sat command(s) [2022-03-16 23:10:43,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:10:43,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 304 conjunts are in the unsatisfiable core [2022-03-16 23:10:43,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:11:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17504 proven. 18044 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:11:06,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:11:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 15969 proven. 19587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:11:30,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163636811] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:11:30,881 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:11:30,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [267, 267, 275] total 558 [2022-03-16 23:11:30,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612348565] [2022-03-16 23:11:30,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:11:30,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 558 states [2022-03-16 23:11:30,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:11:30,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants. [2022-03-16 23:11:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65513, Invalid=245293, Unknown=0, NotChecked=0, Total=310806 [2022-03-16 23:11:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:11:30,901 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:11:30,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 558 states, 558 states have (on average 2.0627240143369177) internal successors, (1151), 558 states have internal predecessors, (1151), 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 23:11:30,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:11:30,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:11:30,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:11:30,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:12:55,468 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2441 transitions and produced 2316 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:12:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-16 23:12:55,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-16 23:12:55,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-16 23:12:55,670 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:12:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:12:55,671 INFO L85 PathProgramCache]: Analyzing trace with hash 746146422, now seen corresponding path program 10 times [2022-03-16 23:12:55,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:12:55,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097845613] [2022-03-16 23:12:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:12:55,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:12:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:13:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21105 proven. 24555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:13:19,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:13:19,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097845613] [2022-03-16 23:13:19,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097845613] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:13:19,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521798357] [2022-03-16 23:13:19,551 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:13:19,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:13:19,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:13:19,555 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:13:19,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 23:13:19,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:13:19,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:13:19,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 310 conjunts are in the unsatisfiable core [2022-03-16 23:13:19,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:13:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21396 proven. 24264 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 23:13:47,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:14:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 19665 proven. 26003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:14:15,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521798357] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:14:15,631 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:14:15,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [303, 303, 311] total 609 [2022-03-16 23:14:15,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173713163] [2022-03-16 23:14:15,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:14:15,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-16 23:14:15,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:14:15,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-16 23:14:15,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76434, Invalid=293838, Unknown=0, NotChecked=0, Total=370272 [2022-03-16 23:14:15,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:14:15,667 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:14:15,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 609 states, 609 states have (on average 2.0656814449917897) internal successors, (1258), 609 states have internal predecessors, (1258), 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 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-16 23:14:15,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 23:14:19,487 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 23:14:19,487 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:14:19,487 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 23:14:19,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 23:14:19,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 23:14:19,676 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 634 known predicates. [2022-03-16 23:14:19,678 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 23:14:19,678 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 23:14:19,678 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 23:14:19,678 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 23:14:19,684 INFO L732 BasicCegarLoop]: Path program histogram: [10] [2022-03-16 23:14:19,693 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:14:19,693 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:14:19,696 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:14:19 BasicIcfg [2022-03-16 23:14:19,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:14:19,696 INFO L158 Benchmark]: Toolchain (without parser) took 689066.77ms. Allocated memory was 180.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 138.2MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-16 23:14:19,696 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:14:19,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.80ms. Allocated memory is still 180.4MB. Free memory was 138.2MB in the beginning and 136.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:14:19,697 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 180.4MB. Free memory was 136.6MB in the beginning and 135.7MB in the end (delta: 944.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:14:19,697 INFO L158 Benchmark]: RCFGBuilder took 250.10ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 23:14:19,697 INFO L158 Benchmark]: TraceAbstraction took 688758.76ms. Allocated memory was 180.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 125.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-16 23:14:19,699 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 180.4MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.80ms. Allocated memory is still 180.4MB. Free memory was 138.2MB in the beginning and 136.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 180.4MB. Free memory was 136.6MB in the beginning and 135.7MB in the end (delta: 944.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 250.10ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 688758.76ms. Allocated memory was 180.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 125.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. 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 PredicateComparison was comparing new predicate (quantifier-free) to 634 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 634 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 634 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 634 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 688.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 308.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3732, 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: 0.3s SsaConstructionTime, 43.1s SatisfiabilityAnalysisTime, 333.3s InterpolantComputationTime, 7380 NumberOfCodeBlocks, 7380 NumberOfCodeBlocksAsserted, 408 NumberOfCheckSat, 11040 ConstructedInterpolants, 0 QuantifiedInterpolants, 77672 SizeOfPredicates, 60 NumberOfNonLiveVariables, 9255 ConjunctsInSsa, 1825 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 247804/545907 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