/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:47:18,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:47:18,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:47:18,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 04:47:18,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 04:47:18,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 04:47:18,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 04:47:18,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 04:47:18,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 04:47:18,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 04:47:18,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 04:47:18,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 04:47:18,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:47:18,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:47:18,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:47:18,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:47:18,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:47:18,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:47:18,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:47:18,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:47:18,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:47:18,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:47:18,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:47:18,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:47:18,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:47:18,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:47:18,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:47:18,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:47:18,585 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 04:47:18,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:47:18,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:47:18,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:47:18,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:47:18,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:47:18,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:47:18,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:47:18,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:47:18,610 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:47:18,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:47:18,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:47:18,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:47:18,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:47:18,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:47:18,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:47:18,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:47:18,613 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:47:18,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:47:18,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:47:18,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:47:18,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:47:18,833 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:47:18,835 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:47:18,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2022-02-19 04:47:18,836 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2022-02-19 04:47:18,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:47:18,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:47:18,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:47:18,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:47:18,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:47:18,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,877 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:47:18,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:47:18,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:47:18,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:47:18,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:47:18,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:47:18,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:47:18,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:47:18,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:47:18,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/1) ... [2022-02-19 04:47:18,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:47:18,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:18,920 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) [2022-02-19 04:47:18,964 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 [2022-02-19 04:47:18,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:47:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:47:18,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:47:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:47:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:47:18,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:47:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:47:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:47:18,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 04:47:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 04:47:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 04:47:18,988 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 04:47:19,025 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:47:19,028 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:47:19,110 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:47:19,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:47:19,121 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:47:19,122 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:47:19 BoogieIcfgContainer [2022-02-19 04:47:19,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:47:19,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:47:19,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:47:19,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:47:19,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:47:18" (1/2) ... [2022-02-19 04:47:19,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517486ef and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:47:19, skipping insertion in model container [2022-02-19 04:47:19,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:47:19" (2/2) ... [2022-02-19 04:47:19,127 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2022-02-19 04:47:19,130 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:47:19,131 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:47:19,131 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:47:19,131 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:47:19,153 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 04:47:19,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:47:19,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:19,200 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) [2022-02-19 04:47:19,201 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 [2022-02-19 04:47:19,224 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:47:19,228 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 [2022-02-19 04:47:19,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 04:47:19,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:19,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:19,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1204265674, now seen corresponding path program 1 times [2022-02-19 04:47:19,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:19,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74402188] [2022-02-19 04:47:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:19,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:19,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74402188] [2022-02-19 04:47:19,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74402188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:47:19,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:47:19,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:47:19,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556055838] [2022-02-19 04:47:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:47:19,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:47:19,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:19,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:47:19,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:47:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:19,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:19,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:47:19,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:19,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:47:19,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2132727720, now seen corresponding path program 1 times [2022-02-19 04:47:19,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:19,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976918834] [2022-02-19 04:47:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:19,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:19,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:19,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976918834] [2022-02-19 04:47:19,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976918834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:47:19,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:47:19,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 04:47:19,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447104843] [2022-02-19 04:47:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:47:19,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 04:47:19,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:19,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 04:47:19,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 04:47:19,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:19,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:19,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-02-19 04:47:19,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:19,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:19,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 04:47:19,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:19,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:19,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1289378822, now seen corresponding path program 1 times [2022-02-19 04:47:19,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:19,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739702808] [2022-02-19 04:47:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:19,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:19,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739702808] [2022-02-19 04:47:19,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739702808] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:19,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520158841] [2022-02-19 04:47:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:19,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:19,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:19,968 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) [2022-02-19 04:47:19,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 04:47:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:20,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-19 04:47:20,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:20,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:47:20,424 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2022-02-19 04:47:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:20,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:20,648 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:47:20,649 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2022-02-19 04:47:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:20,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520158841] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:20,797 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:20,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-19 04:47:20,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134773263] [2022-02-19 04:47:20,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:20,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-19 04:47:20,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:20,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-19 04:47:20,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-02-19 04:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:20,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:20,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 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) [2022-02-19 04:47:20,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:20,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:20,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:21,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 04:47:21,215 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,SelfDestructingSolverStorable2 [2022-02-19 04:47:21,217 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:21,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:21,218 INFO L85 PathProgramCache]: Analyzing trace with hash -374345244, now seen corresponding path program 2 times [2022-02-19 04:47:21,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:21,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684955486] [2022-02-19 04:47:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:21,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:21,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:21,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684955486] [2022-02-19 04:47:21,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684955486] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:21,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900330458] [2022-02-19 04:47:21,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:47:21,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:21,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:21,279 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) [2022-02-19 04:47:21,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:47:21,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:47:21,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 04:47:21,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:47:21,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:21,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:21,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900330458] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:21,507 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:21,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-19 04:47:21,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281338664] [2022-02-19 04:47:21,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:21,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-19 04:47:21,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-19 04:47:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-19 04:47:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:21,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:21,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2022-02-19 04:47:21,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:21,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:21,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:21,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:21,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:21,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 04:47:21,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:21,922 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:21,922 INFO L85 PathProgramCache]: Analyzing trace with hash 359763488, now seen corresponding path program 1 times [2022-02-19 04:47:21,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:21,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841924968] [2022-02-19 04:47:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:22,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:22,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841924968] [2022-02-19 04:47:22,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841924968] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:22,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263656564] [2022-02-19 04:47:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:22,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:22,030 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) [2022-02-19 04:47:22,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 04:47:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:22,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:47:22,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:22,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:22,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263656564] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:22,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:22,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-19 04:47:22,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82009318] [2022-02-19 04:47:22,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:22,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-19 04:47:22,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-19 04:47:22,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-19 04:47:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:22,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:22,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:47:22,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:22,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:22,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:22,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:22,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:22,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 04:47:22,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:22,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:22,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:22,562 INFO L85 PathProgramCache]: Analyzing trace with hash -559233666, now seen corresponding path program 2 times [2022-02-19 04:47:22,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:22,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761149459] [2022-02-19 04:47:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:22,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:23,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:23,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761149459] [2022-02-19 04:47:23,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761149459] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:23,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901728730] [2022-02-19 04:47:23,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:47:23,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:23,334 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) [2022-02-19 04:47:23,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 04:47:23,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:47:23,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:47:23,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-19 04:47:23,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:24,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:47:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:47:24,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:47:24,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 153 [2022-02-19 04:47:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:25,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:26,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:47:27,043 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-19 04:47:27,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 887 treesize of output 543 [2022-02-19 04:47:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:52,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901728730] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:52,076 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:52,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2022-02-19 04:47:52,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445346046] [2022-02-19 04:47:52,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:52,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-19 04:47:52,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:52,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-19 04:47:52,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2022-02-19 04:47:52,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:52,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:52,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.4516129032258065) internal successors, (76), 31 states have internal predecessors, (76), 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) [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:52,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:54,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 04:47:54,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:54,759 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:54,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1047764316, now seen corresponding path program 3 times [2022-02-19 04:47:54,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:54,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201960702] [2022-02-19 04:47:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:54,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:54,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201960702] [2022-02-19 04:47:54,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201960702] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:54,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160357889] [2022-02-19 04:47:54,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:47:54,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:54,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:54,835 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) [2022-02-19 04:47:54,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 04:47:54,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-19 04:47:54,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:47:54,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 04:47:54,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:55,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:55,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160357889] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:55,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:55,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-19 04:47:55,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669723055] [2022-02-19 04:47:55,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:55,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-19 04:47:55,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:55,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-19 04:47:55,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-19 04:47:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:55,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:55,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 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) [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:55,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:55,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:55,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:47:55,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 04:47:55,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:55,920 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:55,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1056785000, now seen corresponding path program 4 times [2022-02-19 04:47:55,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:55,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638687519] [2022-02-19 04:47:55,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:56,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:56,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638687519] [2022-02-19 04:47:56,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638687519] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:56,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765679448] [2022-02-19 04:47:56,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:47:56,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:56,009 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) [2022-02-19 04:47:56,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 04:47:56,035 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:47:56,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:47:56,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 04:47:56,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:47:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:56,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:47:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:47:56,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765679448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:47:56,249 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:47:56,249 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-19 04:47:56,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636972716] [2022-02-19 04:47:56,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:47:56,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-19 04:47:56,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:47:56,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-19 04:47:56,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-19 04:47:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:56,251 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:47:56,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 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) [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:47:56,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:47:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:47:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:47:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:47:56,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 04:47:56,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:56,621 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:47:56,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:47:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1714796278, now seen corresponding path program 5 times [2022-02-19 04:47:56,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:47:56,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20446178] [2022-02-19 04:47:56,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:47:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:47:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:47:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:47:59,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:47:59,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20446178] [2022-02-19 04:47:59,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20446178] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:47:59,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14351679] [2022-02-19 04:47:59,665 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:47:59,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:47:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:47:59,666 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) [2022-02-19 04:47:59,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 04:47:59,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-19 04:47:59,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:47:59,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-19 04:47:59,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:48:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:48:26,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:48:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:48:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:48:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:48:26,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1051 treesize of output 621 [2022-02-19 04:48:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:48:27,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:53:40,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:53:40,947 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:53:40,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 15647 treesize of output 7001 Received shutdown request... [2022-02-19 05:01:43,646 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 05:01:43,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 05:01:43,681 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 [2022-02-19 05:01:43,681 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 05:01:43,681 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 [2022-02-19 05:01:43,855 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,SelfDestructingSolverStorable8 [2022-02-19 05:01:43,856 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-7-9-8-7-7-6-7-2-5-3-3-2-2-2-2-3-2-1 context. [2022-02-19 05:01:43,857 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 05:01:43,857 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 05:01:43,858 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 05:01:43,862 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1] [2022-02-19 05:01:43,863 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 05:01:43,864 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 05:01:43,865 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:01:43 BasicIcfg [2022-02-19 05:01:43,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 05:01:43,866 INFO L158 Benchmark]: Toolchain (without parser) took 865007.24ms. Allocated memory was 249.6MB in the beginning and 848.3MB in the end (delta: 598.7MB). Free memory was 210.7MB in the beginning and 344.7MB in the end (delta: -134.0MB). Peak memory consumption was 517.1MB. Max. memory is 8.0GB. [2022-02-19 05:01:43,866 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 249.6MB. Free memory is still 211.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 05:01:43,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.22ms. Allocated memory is still 249.6MB. Free memory was 210.6MB in the beginning and 209.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 05:01:43,866 INFO L158 Benchmark]: Boogie Preprocessor took 17.26ms. Allocated memory is still 249.6MB. Free memory was 209.1MB in the beginning and 208.2MB in the end (delta: 916.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 05:01:43,866 INFO L158 Benchmark]: RCFGBuilder took 224.63ms. Allocated memory is still 249.6MB. Free memory was 208.1MB in the beginning and 198.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 05:01:43,867 INFO L158 Benchmark]: TraceAbstraction took 864741.97ms. Allocated memory was 249.6MB in the beginning and 848.3MB in the end (delta: 598.7MB). Free memory was 198.3MB in the beginning and 344.7MB in the end (delta: -146.5MB). Peak memory consumption was 504.5MB. Max. memory is 8.0GB. [2022-02-19 05:01:43,868 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 0.11ms. Allocated memory is still 249.6MB. Free memory is still 211.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.22ms. Allocated memory is still 249.6MB. Free memory was 210.6MB in the beginning and 209.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 17.26ms. Allocated memory is still 249.6MB. Free memory was 209.1MB in the beginning and 208.2MB in the end (delta: 916.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 224.63ms. Allocated memory is still 249.6MB. Free memory was 208.1MB in the beginning and 198.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864741.97ms. Allocated memory was 249.6MB in the beginning and 848.3MB in the end (delta: 598.7MB). Free memory was 198.3MB in the beginning and 344.7MB in the end (delta: -146.5MB). Peak memory consumption was 504.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1765, positive: 1471, positive conditional: 1179, positive unconditional: 292, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1471, positive: 1471, positive conditional: 1179, positive unconditional: 292, 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: 1471, positive: 1471, positive conditional: 1179, positive unconditional: 292, 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: 1471, positive: 1471, positive conditional: 1069, positive unconditional: 402, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1471, positive: 1191, positive conditional: 1014, positive unconditional: 177, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 294 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 21, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1765, positive: 1471, positive conditional: 1179, positive unconditional: 292, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1471, positive: 1471, positive conditional: 1179, positive unconditional: 292, 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: 1471, positive: 1471, positive conditional: 1179, positive unconditional: 292, 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: 1471, positive: 1471, positive conditional: 1069, positive unconditional: 402, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1471, positive: 1191, positive conditional: 1014, positive unconditional: 177, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 294 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-7-9-8-7-7-6-7-2-5-3-3-2-2-2-2-3-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-7-9-8-7-7-6-7-2-5-3-3-2-2-2-2-3-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-7-9-8-7-7-6-7-2-5-3-3-2-2-2-2-3-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-7-9-8-7-7-6-7-2-5-3-3-2-2-2-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 864.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 31.7s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 10904 SizeOfPredicates, 48 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 91/253 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