/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:20:14,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:20:14,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:20:14,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 04:20:14,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 04:20:14,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 04:20:14,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 04:20:14,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 04:20:14,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 04:20:14,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 04:20:14,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 04:20:14,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 04:20:14,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:20:14,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:20:14,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:20:14,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:20:14,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:20:14,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:20:14,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:20:14,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:20:14,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:20:14,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:20:14,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:20:14,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:20:14,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:20:14,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:20:14,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:20:14,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:20:14,932 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 04:20:14,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:20:14,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:20:14,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:20:14,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:20:14,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:20:14,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:20:14,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:20:14,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:20:14,963 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:20:14,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:20:14,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:20:14,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:20:14,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:20:14,965 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:20:14,966 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:20:14,967 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:20:14,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:20:15,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:20:15,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:20:15,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:20:15,182 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:20:15,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:20:15,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-02-19 04:20:15,184 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-02-19 04:20:15,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:20:15,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:20:15,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:20:15,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:20:15,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:20:15,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,230 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:20:15,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:20:15,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:20:15,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:20:15,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:20:15,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:20:15,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:20:15,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:20:15,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:20:15,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/1) ... [2022-02-19 04:20:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:20:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:15,267 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 04:20:15,286 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 04:20:15,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:20:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:20:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:20:15,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:20:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:20:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:20:15,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:20:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:20:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:20:15,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 04:20:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 04:20:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 04:20:15,298 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 04:20:15,331 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:20:15,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:20:15,408 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:20:15,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:20:15,417 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:20:15,419 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:20:15 BoogieIcfgContainer [2022-02-19 04:20:15,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:20:15,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:20:15,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:20:15,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:20:15,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:20:15" (1/2) ... [2022-02-19 04:20:15,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555a2ce3 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:20:15, skipping insertion in model container [2022-02-19 04:20:15,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:20:15" (2/2) ... [2022-02-19 04:20:15,439 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-02-19 04:20:15,442 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:20:15,442 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:20:15,442 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:20:15,442 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:20:15,481 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 04:20:15,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:20:15,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:15,579 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 04:20:15,581 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 04:20:15,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:20:15,638 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 04:20:15,639 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 04:20:15,844 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:15,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:15,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1319380184, now seen corresponding path program 1 times [2022-02-19 04:20:15,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:15,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424092103] [2022-02-19 04:20:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:15,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:16,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:16,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424092103] [2022-02-19 04:20:16,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424092103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:20:16,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:20:16,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:20:16,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440482299] [2022-02-19 04:20:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:20:16,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:20:16,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:20:16,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:20:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:16,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:16,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:20:16,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:16,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:20:16,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:16,144 INFO L85 PathProgramCache]: Analyzing trace with hash 390245250, now seen corresponding path program 1 times [2022-02-19 04:20:16,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:16,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862941948] [2022-02-19 04:20:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:20:16,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:16,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862941948] [2022-02-19 04:20:16,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862941948] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:16,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435777937] [2022-02-19 04:20:16,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:16,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:16,207 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 04:20:16,208 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 04:20:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:16,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-19 04:20:16,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:16,466 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 04:20:16,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:16,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435777937] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:16,586 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:16,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2022-02-19 04:20:16,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779796641] [2022-02-19 04:20:16,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:16,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 04:20:16,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 04:20:16,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-19 04:20:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:16,592 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:16,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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 04:20:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:16,780 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 04:20:16,962 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,SelfDestructingSolverStorable1 [2022-02-19 04:20:16,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:16,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:16,963 INFO L85 PathProgramCache]: Analyzing trace with hash -324088887, now seen corresponding path program 2 times [2022-02-19 04:20:16,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:16,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686308238] [2022-02-19 04:20:16,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:17,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686308238] [2022-02-19 04:20:17,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686308238] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:17,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268409146] [2022-02-19 04:20:17,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:20:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:17,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:17,068 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 04:20:17,069 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 04:20:17,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:20:17,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:17,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 04:20:17,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268409146] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:17,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:17,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 12 [2022-02-19 04:20:17,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439300687] [2022-02-19 04:20:17,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:17,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 04:20:17,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:17,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 04:20:17,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-02-19 04:20:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:17,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:17,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 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 04:20:17,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:17,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:17,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:17,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:17,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:17,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:17,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 04:20:17,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:17,679 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:17,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1996232952, now seen corresponding path program 3 times [2022-02-19 04:20:17,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:17,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849228943] [2022-02-19 04:20:17,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:17,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:17,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849228943] [2022-02-19 04:20:17,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849228943] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:17,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294629317] [2022-02-19 04:20:17,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:20:17,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:17,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:17,733 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 04:20:17,734 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 04:20:17,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-19 04:20:17,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:17,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 04:20:17,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:17,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294629317] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:17,905 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:17,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2022-02-19 04:20:17,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397880058] [2022-02-19 04:20:17,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:17,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 04:20:17,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 04:20:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 04:20:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:17,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:17,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 04:20:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:17,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 04:20:18,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:18,148 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:18,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:18,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1790771102, now seen corresponding path program 4 times [2022-02-19 04:20:18,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:18,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999082597] [2022-02-19 04:20:18,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:18,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:18,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:18,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999082597] [2022-02-19 04:20:18,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999082597] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:18,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554748777] [2022-02-19 04:20:18,381 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:20:18,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:18,383 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 04:20:18,391 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 04:20:18,416 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:20:18,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-19 04:20:18,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:18,877 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-19 04:20:18,879 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 29 treesize of output 13 [2022-02-19 04:20:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:18,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:19,222 INFO L353 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2022-02-19 04:20:19,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 51 [2022-02-19 04:20:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:19,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554748777] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:19,434 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:19,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-02-19 04:20:19,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605253067] [2022-02-19 04:20:19,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:19,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-19 04:20:19,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:19,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-19 04:20:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1126, Unknown=0, NotChecked=0, Total=1332 [2022-02-19 04:20:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:19,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:19,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3513513513513513) internal successors, (87), 37 states have internal predecessors, (87), 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 04:20:19,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:19,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:19,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:20,326 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 04:20:20,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:20,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:20,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -716977431, now seen corresponding path program 5 times [2022-02-19 04:20:20,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:20,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578743175] [2022-02-19 04:20:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:20,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:20,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578743175] [2022-02-19 04:20:20,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578743175] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:20,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321724683] [2022-02-19 04:20:20,561 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:20:20,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:20,562 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 04:20:20,575 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 04:20:20,600 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-02-19 04:20:20,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:20,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 04:20:20,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:20,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:20,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321724683] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:20,716 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:20,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2022-02-19 04:20:20,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097206370] [2022-02-19 04:20:20,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:20,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 04:20:20,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:20,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 04:20:20,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-02-19 04:20:20,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:20,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:20,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 04:20:20,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:20,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:20,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:20,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:20,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:20,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:20,755 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 04:20:20,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:20,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:20,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1963132733, now seen corresponding path program 6 times [2022-02-19 04:20:20,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:20,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471728628] [2022-02-19 04:20:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:21,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:21,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471728628] [2022-02-19 04:20:21,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471728628] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:21,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865918622] [2022-02-19 04:20:21,261 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:20:21,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:21,263 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 04:20:21,264 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 04:20:21,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-19 04:20:21,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:21,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 04:20:21,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:20:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:20:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:20:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:20:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:20:22,034 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:20:22,035 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 70 [2022-02-19 04:20:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:22,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:22,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:22,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:20:23,007 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:20:23,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 38 treesize of output 98 [2022-02-19 04:20:23,463 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:23,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865918622] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:23,463 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:23,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 21] total 54 [2022-02-19 04:20:23,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222147454] [2022-02-19 04:20:23,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:23,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-19 04:20:23,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-19 04:20:23,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=2387, Unknown=0, NotChecked=0, Total=2862 [2022-02-19 04:20:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:23,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:23,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.0) internal successors, (108), 54 states have internal predecessors, (108), 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 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:25,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 04:20:25,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:25,218 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:25,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash 790140072, now seen corresponding path program 7 times [2022-02-19 04:20:25,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:25,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888527114] [2022-02-19 04:20:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:25,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:25,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888527114] [2022-02-19 04:20:25,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888527114] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:25,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272712975] [2022-02-19 04:20:25,684 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:20:25,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:25,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:25,695 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 04:20:25,696 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 04:20:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:25,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-19 04:20:25,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:26,725 INFO L353 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-02-19 04:20:26,725 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2022-02-19 04:20:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:26,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:27,708 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-02-19 04:20:27,708 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 53 treesize of output 177 [2022-02-19 04:20:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:29,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272712975] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:29,844 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:29,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-02-19 04:20:29,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644474044] [2022-02-19 04:20:29,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:29,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-19 04:20:29,845 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:29,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-19 04:20:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=521, Invalid=3639, Unknown=0, NotChecked=0, Total=4160 [2022-02-19 04:20:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:29,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:29,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.076923076923077) internal successors, (135), 65 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:32,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 04:20:32,724 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,SelfDestructingSolverStorable7 [2022-02-19 04:20:32,725 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:32,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:32,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1296725789, now seen corresponding path program 8 times [2022-02-19 04:20:32,725 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:32,725 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448965221] [2022-02-19 04:20:32,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:33,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:33,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448965221] [2022-02-19 04:20:33,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448965221] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:33,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230109450] [2022-02-19 04:20:33,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:20:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:33,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:20:33,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 04:20:33,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:20:33,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:33,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-19 04:20:33,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:34,577 INFO L353 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-02-19 04:20:34,578 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 26 [2022-02-19 04:20:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:34,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:35,856 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-02-19 04:20:35,856 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 66 treesize of output 270 [2022-02-19 04:20:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:38,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230109450] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:38,883 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:38,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 74 [2022-02-19 04:20:38,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804833692] [2022-02-19 04:20:38,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:38,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-02-19 04:20:38,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:38,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-02-19 04:20:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=4779, Unknown=0, NotChecked=0, Total=5402 [2022-02-19 04:20:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:38,885 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:38,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 1.945945945945946) internal successors, (144), 74 states have internal predecessors, (144), 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 04:20:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:20:42,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-19 04:20:42,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:42,228 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:42,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:42,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1465981240, now seen corresponding path program 9 times [2022-02-19 04:20:42,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:42,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178122039] [2022-02-19 04:20:42,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:42,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:42,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:42,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178122039] [2022-02-19 04:20:42,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178122039] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:42,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008821775] [2022-02-19 04:20:42,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:20:42,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:42,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:20:42,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 04:20:42,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-19 04:20:42,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:42,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-19 04:20:42,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:42,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:42,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008821775] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:42,519 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:42,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 10 [2022-02-19 04:20:42,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756031903] [2022-02-19 04:20:42,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:42,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 04:20:42,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:42,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 04:20:42,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-02-19 04:20:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:42,521 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:42,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 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 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:20:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:20:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:20:42,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 04:20:42,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 04:20:42,775 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:20:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:20:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash -664923614, now seen corresponding path program 10 times [2022-02-19 04:20:42,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:20:42,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748680718] [2022-02-19 04:20:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:20:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:20:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:20:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:43,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:20:43,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748680718] [2022-02-19 04:20:43,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748680718] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:20:43,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549667752] [2022-02-19 04:20:43,565 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:20:43,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:20:43,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:20:43,566 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:20:43,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 04:20:43,597 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:20:43,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:20:43,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjunts are in the unsatisfiable core [2022-02-19 04:20:43,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:20:45,191 INFO L353 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2022-02-19 04:20:45,191 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2022-02-19 04:20:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:45,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:20:47,116 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-02-19 04:20:47,116 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 79 treesize of output 383 [2022-02-19 04:20:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 57 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:20:58,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549667752] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:20:58,307 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:20:58,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-02-19 04:20:58,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123014812] [2022-02-19 04:20:58,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:20:58,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-02-19 04:20:58,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:20:58,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-02-19 04:20:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=6510, Unknown=0, NotChecked=0, Total=7310 [2022-02-19 04:20:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:20:58,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:20:58,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.8837209302325582) internal successors, (162), 86 states have internal predecessors, (162), 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 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:20:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:02,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:02,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-19 04:21:02,866 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:21:02,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:02,867 INFO L85 PathProgramCache]: Analyzing trace with hash 5923113, now seen corresponding path program 11 times [2022-02-19 04:21:02,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:02,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67880154] [2022-02-19 04:21:02,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:02,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:02,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:02,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67880154] [2022-02-19 04:21:02,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67880154] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:02,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415690205] [2022-02-19 04:21:02,950 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:21:02,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:02,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:02,952 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:21:02,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 04:21:02,988 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-19 04:21:02,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:02,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 04:21:02,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:03,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:03,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415690205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:03,177 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:03,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 11 [2022-02-19 04:21:03,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114538570] [2022-02-19 04:21:03,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:03,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 04:21:03,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:03,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 04:21:03,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-02-19 04:21:03,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:03,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:03,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:03,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:03,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:03,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 04:21:03,406 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:21:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:03,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1774067971, now seen corresponding path program 12 times [2022-02-19 04:21:03,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:03,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050734005] [2022-02-19 04:21:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:03,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:04,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:04,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050734005] [2022-02-19 04:21:04,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050734005] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:04,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211554254] [2022-02-19 04:21:04,268 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:21:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:04,269 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:21:04,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 04:21:04,302 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-02-19 04:21:04,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:04,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 59 conjunts are in the unsatisfiable core [2022-02-19 04:21:04,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:06,380 INFO L353 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-02-19 04:21:06,381 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2022-02-19 04:21:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:06,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:09,191 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-02-19 04:21:09,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 92 treesize of output 516 [2022-02-19 04:21:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:40,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211554254] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:40,009 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:40,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 98 [2022-02-19 04:21:40,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580101709] [2022-02-19 04:21:40,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:40,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-02-19 04:21:40,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-02-19 04:21:40,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=998, Invalid=8508, Unknown=0, NotChecked=0, Total=9506 [2022-02-19 04:21:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:40,014 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:40,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 98 states have internal predecessors, (187), 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 04:21:40,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:40,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:40,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:21:45,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:45,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-19 04:21:45,464 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:21:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2042485416, now seen corresponding path program 13 times [2022-02-19 04:21:45,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:45,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126610440] [2022-02-19 04:21:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:45,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:45,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126610440] [2022-02-19 04:21:45,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126610440] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:45,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057856641] [2022-02-19 04:21:45,548 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:21:45,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:45,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:45,549 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:21:45,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-19 04:21:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:45,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 04:21:45,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:45,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:45,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057856641] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:45,814 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:45,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 12 [2022-02-19 04:21:45,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428075553] [2022-02-19 04:21:45,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:45,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 04:21:45,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 04:21:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-02-19 04:21:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:45,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:45,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 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 04:21:45,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:21:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:21:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:21:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:45,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-19 04:21:46,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:46,067 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:21:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash -551235838, now seen corresponding path program 14 times [2022-02-19 04:21:46,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:46,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186629784] [2022-02-19 04:21:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:46,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:47,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:47,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186629784] [2022-02-19 04:21:47,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186629784] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:47,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882043795] [2022-02-19 04:21:47,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:21:47,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:47,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:47,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:21:47,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-19 04:21:47,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:21:47,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:47,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-19 04:21:47,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:50,126 INFO L353 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2022-02-19 04:21:50,127 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2022-02-19 04:21:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:50,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:54,230 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-02-19 04:21:54,231 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 105 treesize of output 669 [2022-02-19 04:22:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 100 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:51,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882043795] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:51,247 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:51,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 110 [2022-02-19 04:22:51,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69326979] [2022-02-19 04:22:51,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:51,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2022-02-19 04:22:51,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2022-02-19 04:22:51,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1217, Invalid=10773, Unknown=0, NotChecked=0, Total=11990 [2022-02-19 04:22:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:51,250 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:51,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 1.8) internal successors, (198), 110 states have internal predecessors, (198), 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 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:58,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-19 04:22:58,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:58,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-19 04:22:58,775 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:22:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:58,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1850738615, now seen corresponding path program 15 times [2022-02-19 04:22:58,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:58,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653524376] [2022-02-19 04:22:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:58,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:58,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653524376] [2022-02-19 04:22:58,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653524376] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:58,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356230319] [2022-02-19 04:22:58,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:22:58,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:58,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:58,863 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:22:58,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-19 04:22:58,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-19 04:22:58,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:58,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-19 04:22:58,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:59,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:59,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356230319] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:59,128 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:59,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 13 [2022-02-19 04:22:59,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860359133] [2022-02-19 04:22:59,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:59,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 04:22:59,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:59,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 04:22:59,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-02-19 04:22:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:59,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:59,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:22:59,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-19 04:22:59,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-19 04:22:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:59,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:59,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-19 04:22:59,361 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:22:59,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash -603930333, now seen corresponding path program 16 times [2022-02-19 04:22:59,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:59,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904300369] [2022-02-19 04:22:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:23:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:00,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:23:00,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904300369] [2022-02-19 04:23:00,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904300369] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:23:00,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159987933] [2022-02-19 04:23:00,770 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:23:00,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:00,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:23:00,771 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:23:00,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-19 04:23:00,811 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:23:00,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:23:00,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2022-02-19 04:23:00,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:23:04,276 INFO L353 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2022-02-19 04:23:04,276 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2022-02-19 04:23:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:04,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:23:09,541 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-02-19 04:23:09,541 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 118 treesize of output 842 Received shutdown request... [2022-02-19 04:33:25,705 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 04:33:25,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 04:33:25,722 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 04:33:25,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-19 04:33:25,749 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:33:25,749 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 04:33:25,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-19 04:33:25,912 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 80 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. [2022-02-19 04:33:25,913 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 04:33:25,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 04:33:25,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 04:33:25,922 INFO L732 BasicCegarLoop]: Path program histogram: [16, 1] [2022-02-19 04:33:25,924 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 04:33:25,924 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 04:33:25,926 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:33:25 BasicIcfg [2022-02-19 04:33:25,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 04:33:25,927 INFO L158 Benchmark]: Toolchain (without parser) took 790715.50ms. Allocated memory was 191.9MB in the beginning and 755.0MB in the end (delta: 563.1MB). Free memory was 157.7MB in the beginning and 333.5MB in the end (delta: -175.7MB). Peak memory consumption was 483.7MB. Max. memory is 8.0GB. [2022-02-19 04:33:25,927 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:33:25,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.17ms. Allocated memory is still 191.9MB. Free memory was 157.6MB in the beginning and 156.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 04:33:25,927 INFO L158 Benchmark]: Boogie Preprocessor took 12.57ms. Allocated memory is still 191.9MB. Free memory was 156.0MB in the beginning and 155.2MB in the end (delta: 862.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 04:33:25,927 INFO L158 Benchmark]: RCFGBuilder took 173.72ms. Allocated memory is still 191.9MB. Free memory was 155.0MB in the beginning and 145.9MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 04:33:25,927 INFO L158 Benchmark]: TraceAbstraction took 790506.19ms. Allocated memory was 191.9MB in the beginning and 755.0MB in the end (delta: 563.1MB). Free memory was 145.4MB in the beginning and 333.5MB in the end (delta: -188.0MB). Peak memory consumption was 471.1MB. Max. memory is 8.0GB. [2022-02-19 04:33:25,930 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 191.9MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.17ms. Allocated memory is still 191.9MB. Free memory was 157.6MB in the beginning and 156.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.57ms. Allocated memory is still 191.9MB. Free memory was 156.0MB in the beginning and 155.2MB in the end (delta: 862.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 173.72ms. Allocated memory is still 191.9MB. Free memory was 155.0MB in the beginning and 145.9MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 790506.19ms. Allocated memory was 191.9MB in the beginning and 755.0MB in the end (delta: 563.1MB). Free memory was 145.4MB in the beginning and 333.5MB in the end (delta: -188.0MB). Peak memory consumption was 471.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4233, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 675, negative conditional: 669, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3641, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 83, negative conditional: 77, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3641, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 83, negative conditional: 77, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 3215, positive unconditional: 343, negative: 759, negative conditional: 676, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 2631, positive unconditional: 927, negative: 759, negative conditional: 316, negative unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 2631, positive unconditional: 927, negative: 759, negative conditional: 316, negative unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 788, positive: 737, positive conditional: 489, positive unconditional: 248, negative: 51, negative conditional: 43, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 788, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 543, negative conditional: 0, negative unconditional: 543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 543, positive: 492, positive conditional: 489, positive unconditional: 3, negative: 51, negative conditional: 43, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 792, positive: 671, positive conditional: 624, positive unconditional: 47, negative: 122, negative conditional: 47, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4317, positive: 2821, positive conditional: 2142, positive unconditional: 679, negative: 708, negative conditional: 273, negative unconditional: 435, unknown: 788, unknown conditional: 532, unknown unconditional: 256] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 737, Positive conditional cache size: 489, Positive unconditional cache size: 248, Negative cache size: 51, Negative conditional cache size: 43, Negative unconditional cache size: 8, Eliminated conditions: 944, Maximal queried relation: 14, Independence queries for same thread: 592 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 25, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4233, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 675, negative conditional: 669, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3641, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 83, negative conditional: 77, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3641, positive: 3558, positive conditional: 3297, positive unconditional: 261, negative: 83, negative conditional: 77, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 3215, positive unconditional: 343, negative: 759, negative conditional: 676, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 2631, positive unconditional: 927, negative: 759, negative conditional: 316, negative unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4317, positive: 3558, positive conditional: 2631, positive unconditional: 927, negative: 759, negative conditional: 316, negative unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 788, positive: 737, positive conditional: 489, positive unconditional: 248, negative: 51, negative conditional: 43, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 788, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 543, negative conditional: 0, negative unconditional: 543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 543, positive: 492, positive conditional: 489, positive unconditional: 3, negative: 51, negative conditional: 43, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 792, positive: 671, positive conditional: 624, positive unconditional: 47, negative: 122, negative conditional: 47, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4317, positive: 2821, positive conditional: 2142, positive unconditional: 679, negative: 708, negative conditional: 273, negative unconditional: 435, unknown: 788, unknown conditional: 532, unknown unconditional: 256] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 737, Positive conditional cache size: 489, Positive unconditional cache size: 248, Negative cache size: 51, Negative conditional cache size: 43, Negative unconditional cache size: 8, Eliminated conditions: 944, Maximal queried relation: 14, Independence queries for same thread: 592 - 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 80 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - 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 80 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - TimeoutResultAtElement [Line: 57]: 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 80 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - TimeoutResultAtElement [Line: 57]: 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 80 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 790.4s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 25.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 380, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 133.6s InterpolantComputationTime, 1588 NumberOfCodeBlocks, 1588 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 2325 ConstructedInterpolants, 14 QuantifiedInterpolants, 32943 SizeOfPredicates, 117 NumberOfNonLiveVariables, 1958 ConjunctsInSsa, 406 ConjunctsInUnsatCore, 46 InterpolantComputations, 1 PerfectInterpolantSequences, 1712/4882 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