/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-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:32:08,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:32:08,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:32:08,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 04:32:08,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 04:32:08,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 04:32:08,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 04:32:08,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 04:32:08,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 04:32:08,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 04:32:08,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 04:32:08,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 04:32:08,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:32:08,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:32:08,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:32:08,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:32:08,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:32:08,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:32:08,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:32:08,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:32:08,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:32:08,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:32:08,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:32:08,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:32:08,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:32:09,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:32:09,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:32:09,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:32:09,002 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 04:32:09,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:32:09,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:32:09,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:32:09,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:32:09,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:32:09,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:32:09,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:32:09,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:32:09,025 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:32:09,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:32:09,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:32:09,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:32:09,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:32:09,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:32:09,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:32:09,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:32:09,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:32:09,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:32:09,028 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:32:09,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:32:09,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:32:09,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:32:09,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:32:09,226 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:32:09,238 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:32:09,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2022-02-19 04:32:09,240 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2022-02-19 04:32:09,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:32:09,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:32:09,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:32:09,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:32:09,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:32:09,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,301 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:32:09,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:32:09,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:32:09,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:32:09,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:32:09,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:32:09,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:32:09,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:32:09,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:32:09,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/1) ... [2022-02-19 04:32:09,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:32:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:09,344 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 04:32:09,348 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 04:32:09,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:32:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:32:09,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:32:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:32:09,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:32:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:32:09,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 04:32:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 04:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 04:32:09,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-19 04:32:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 04:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 04:32:09,378 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 04:32:09,413 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:32:09,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:32:09,494 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:32:09,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:32:09,507 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:32:09,509 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:32:09 BoogieIcfgContainer [2022-02-19 04:32:09,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:32:09,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:32:09,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:32:09,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:32:09,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:32:09" (1/2) ... [2022-02-19 04:32:09,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195e562 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:32:09, skipping insertion in model container [2022-02-19 04:32:09,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:32:09" (2/2) ... [2022-02-19 04:32:09,515 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2022-02-19 04:32:09,518 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:32:09,518 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:32:09,518 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:32:09,518 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:32:09,561 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 04:32:09,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:32:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:09,616 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 04:32:09,633 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 04:32:09,687 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:32:09,692 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 04:32:09,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 04:32:09,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:09,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:09,891 INFO L85 PathProgramCache]: Analyzing trace with hash 852012866, now seen corresponding path program 1 times [2022-02-19 04:32:09,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:09,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704386234] [2022-02-19 04:32:09,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:09,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:10,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:10,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704386234] [2022-02-19 04:32:10,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704386234] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:32:10,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:32:10,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:32:10,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478031943] [2022-02-19 04:32:10,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:32:10,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:32:10,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:10,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:32:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:32:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:10,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 04:32:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:32:10,200 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:10,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1885647555, now seen corresponding path program 1 times [2022-02-19 04:32:10,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:10,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806262418] [2022-02-19 04:32:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:10,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 04:32:10,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:10,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806262418] [2022-02-19 04:32:10,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806262418] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:32:10,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:32:10,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:32:10,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359848827] [2022-02-19 04:32:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:32:10,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:32:10,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:10,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:32:10,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:32:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:10,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:32:10,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 04:32:10,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:10,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:10,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1920021074, now seen corresponding path program 2 times [2022-02-19 04:32:10,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:10,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611542878] [2022-02-19 04:32:10,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:10,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:10,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:10,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611542878] [2022-02-19 04:32:10,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611542878] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:10,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328631547] [2022-02-19 04:32:10,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:32:10,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:10,366 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 04:32:10,367 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 04:32:10,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:32:10,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:10,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 04:32:10,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:10,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:10,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328631547] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:10,679 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:10,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-02-19 04:32:10,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478203126] [2022-02-19 04:32:10,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:10,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 04:32:10,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 04:32:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-19 04:32:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:10,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 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 04:32:10,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:10,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 04:32:11,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 04:32:11,105 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:11,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:11,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2093364542, now seen corresponding path program 2 times [2022-02-19 04:32:11,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:11,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108368780] [2022-02-19 04:32:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-19 04:32:11,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:11,157 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108368780] [2022-02-19 04:32:11,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108368780] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:11,157 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112574280] [2022-02-19 04:32:11,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:32:11,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:11,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:11,184 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 04:32:11,187 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 04:32:11,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:32:11,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:11,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 04:32:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-19 04:32:11,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 04:32:11,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112574280] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:32:11,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 04:32:11,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-02-19 04:32:11,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527990490] [2022-02-19 04:32:11,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:32:11,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 04:32:11,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 04:32:11,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-19 04:32:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:11,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:11,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 04:32:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:11,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:11,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:11,612 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:11,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:11,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2008497660, now seen corresponding path program 3 times [2022-02-19 04:32:11,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:11,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763591457] [2022-02-19 04:32:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:11,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 04:32:11,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:11,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763591457] [2022-02-19 04:32:11,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763591457] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:11,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575313534] [2022-02-19 04:32:11,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:32:11,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:11,667 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 04:32:11,703 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 04:32:11,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-19 04:32:11,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:11,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:32:11,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 04:32:11,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 04:32:11,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575313534] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:32:11,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 04:32:11,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2022-02-19 04:32:11,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628015597] [2022-02-19 04:32:11,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:32:11,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 04:32:11,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 04:32:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-19 04:32:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:11,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:11,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 04:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:11,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:12,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:12,095 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1907083638, now seen corresponding path program 4 times [2022-02-19 04:32:12,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:12,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450587176] [2022-02-19 04:32:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:12,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:12,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:12,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450587176] [2022-02-19 04:32:12,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450587176] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:12,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306001834] [2022-02-19 04:32:12,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:32:12,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:12,395 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 04:32:12,418 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 04:32:12,442 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:32:12,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-19 04:32:12,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:13,270 INFO L353 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-02-19 04:32:13,271 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 90 treesize of output 48 [2022-02-19 04:32:13,322 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:32:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:13,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:13,491 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:32:13,491 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 33 treesize of output 37 [2022-02-19 04:32:13,897 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-02-19 04:32:13,898 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 58 treesize of output 182 [2022-02-19 04:32:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:15,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306001834] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:15,534 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:15,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2022-02-19 04:32:15,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855035710] [2022-02-19 04:32:15,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:15,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 04:32:15,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 04:32:15,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2022-02-19 04:32:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:15,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:15,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.65625) internal successors, (117), 31 states have internal predecessors, (117), 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 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:15,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,165 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 04:32:16,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:16,333 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:16,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1873575092, now seen corresponding path program 5 times [2022-02-19 04:32:16,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:16,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95634261] [2022-02-19 04:32:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:16,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:16,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:16,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95634261] [2022-02-19 04:32:16,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95634261] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:16,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489577738] [2022-02-19 04:32:16,410 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:32:16,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:16,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:16,411 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 04:32:16,412 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 04:32:16,445 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-19 04:32:16,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:16,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 04:32:16,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:16,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:16,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489577738] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:16,578 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:16,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 12 [2022-02-19 04:32:16,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168601645] [2022-02-19 04:32:16,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:16,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 04:32:16,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:16,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 04:32:16,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-19 04:32:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:16,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:16,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 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 04:32:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:16,683 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 04:32:16,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:16,858 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash -706851012, now seen corresponding path program 6 times [2022-02-19 04:32:16,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:16,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973996224] [2022-02-19 04:32:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:17,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:17,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973996224] [2022-02-19 04:32:17,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973996224] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:17,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456194700] [2022-02-19 04:32:17,128 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:32:17,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:17,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:17,130 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 04:32:17,131 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 04:32:17,164 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-02-19 04:32:17,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-19 04:32:17,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:18,246 INFO L353 Elim1Store]: treesize reduction 74, result has 54.0 percent of original size [2022-02-19 04:32:18,247 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 111 treesize of output 145 [2022-02-19 04:32:19,075 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:32:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:19,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:19,517 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:32:19,517 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 36 treesize of output 40 [2022-02-19 04:32:20,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:20,896 INFO L353 Elim1Store]: treesize reduction 156, result has 59.5 percent of original size [2022-02-19 04:32:20,897 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 9 new quantified variables, introduced 44 case distinctions, treesize of input 68 treesize of output 264 [2022-02-19 04:32:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:22,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456194700] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:22,985 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:22,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 40 [2022-02-19 04:32:22,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904157133] [2022-02-19 04:32:22,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:22,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-19 04:32:22,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-19 04:32:22,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1472, Unknown=0, NotChecked=0, Total=1640 [2022-02-19 04:32:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:22,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:22,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.292682926829268) internal successors, (135), 40 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 04:32:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:22,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:22,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:22,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:23,921 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 04:32:24,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:24,088 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:24,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1077845618, now seen corresponding path program 7 times [2022-02-19 04:32:24,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:24,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770774321] [2022-02-19 04:32:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:24,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:24,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770774321] [2022-02-19 04:32:24,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770774321] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:24,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843841858] [2022-02-19 04:32:24,472 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:32:24,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:24,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:24,474 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 04:32:24,475 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 04:32:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:24,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-19 04:32:24,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:25,782 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-02-19 04:32:25,783 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 136 treesize of output 70 [2022-02-19 04:32:25,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:32:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:25,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:26,124 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:32:26,125 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 43 treesize of output 47 [2022-02-19 04:32:26,997 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-02-19 04:32:26,997 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 84 treesize of output 388 [2022-02-19 04:32:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 40 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:40,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843841858] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:40,436 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:40,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2022-02-19 04:32:40,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807663805] [2022-02-19 04:32:40,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:40,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-19 04:32:40,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-19 04:32:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1703, Unknown=0, NotChecked=0, Total=1892 [2022-02-19 04:32:40,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:40,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:40,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.340909090909091) internal successors, (147), 43 states have internal predecessors, (147), 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 04:32:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:32:41,473 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 04:32:41,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-19 04:32:41,656 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:41,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 455212368, now seen corresponding path program 8 times [2022-02-19 04:32:41,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:41,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286450594] [2022-02-19 04:32:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:41,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:41,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:41,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286450594] [2022-02-19 04:32:41,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286450594] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:41,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632635987] [2022-02-19 04:32:41,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:32:41,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:41,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:41,770 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 04:32:41,771 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 04:32:41,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:32:41,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:41,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-19 04:32:41,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:41,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:32:41,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632635987] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:41,966 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:41,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 8] total 16 [2022-02-19 04:32:41,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054831311] [2022-02-19 04:32:41,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:41,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-19 04:32:41,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-19 04:32:41,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2022-02-19 04:32:41,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:41,967 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:41,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 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 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:41,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:41,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:41,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:32:41,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:42,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:42,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 04:32:42,266 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:32:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:42,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1817353536, now seen corresponding path program 9 times [2022-02-19 04:32:42,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:42,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71223797] [2022-02-19 04:32:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:42,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:42,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71223797] [2022-02-19 04:32:42,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71223797] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:42,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114336550] [2022-02-19 04:32:42,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:32:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:42,707 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 04:32:42,708 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 04:32:42,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-19 04:32:42,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:42,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-19 04:32:42,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:45,015 INFO L353 Elim1Store]: treesize reduction 80, result has 80.5 percent of original size [2022-02-19 04:32:45,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 18 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 157 treesize of output 411 [2022-02-19 04:33:05,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:33:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 26 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:33:05,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:33:06,550 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:33:06,552 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2022-02-19 04:33:08,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:33:08,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:33:08,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:33:08,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:33:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:33:08,698 INFO L353 Elim1Store]: treesize reduction 108, result has 74.3 percent of original size [2022-02-19 04:33:08,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 6 disjoint index pairs (out of 91 index pairs), introduced 10 new quantified variables, introduced 63 case distinctions, treesize of input 94 treesize of output 358 [2022-02-19 04:33:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 9 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:33:56,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114336550] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:33:56,027 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:33:56,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 52 [2022-02-19 04:33:56,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005506072] [2022-02-19 04:33:56,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:33:56,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-19 04:33:56,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:33:56,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-19 04:33:56,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=2480, Unknown=0, NotChecked=0, Total=2756 [2022-02-19 04:33:56,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:33:56,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:33:56,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.1132075471698113) internal successors, (165), 52 states have internal predecessors, (165), 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 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:33:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:33:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:33:57,923 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 04:33:58,123 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,SelfDestructingSolverStorable10 [2022-02-19 04:33:58,123 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:33:58,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:33:58,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1053234542, now seen corresponding path program 10 times [2022-02-19 04:33:58,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:33:58,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558858708] [2022-02-19 04:33:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:33:58,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:33:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:33:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:33:58,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:33:58,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558858708] [2022-02-19 04:33:58,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558858708] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:33:58,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059130610] [2022-02-19 04:33:58,535 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:33:58,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:33:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:33:58,536 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 04:33:58,537 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 04:33:58,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:33:58,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:33:58,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 57 conjunts are in the unsatisfiable core [2022-02-19 04:33:58,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:34:00,817 INFO L353 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-02-19 04:34:00,818 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 182 treesize of output 92 [2022-02-19 04:34:00,881 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:34:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:34:00,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:34:01,233 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:34:01,233 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 53 treesize of output 57 [2022-02-19 04:34:03,052 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-02-19 04:34:03,053 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 110 treesize of output 674 [2022-02-19 04:35:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 77 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:35:25,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059130610] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:25,461 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:25,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 55 [2022-02-19 04:35:25,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925929141] [2022-02-19 04:35:25,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:25,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-19 04:35:25,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:25,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-19 04:35:25,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=2801, Unknown=0, NotChecked=0, Total=3080 [2022-02-19 04:35:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:25,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:25,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.1607142857142856) internal successors, (177), 55 states have internal predecessors, (177), 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 04:35:25,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:25,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:25,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:25,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,023 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 04:35:27,205 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,SelfDestructingSolverStorable11 [2022-02-19 04:35:27,205 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:27,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:27,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1663347372, now seen corresponding path program 11 times [2022-02-19 04:35:27,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:27,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016207764] [2022-02-19 04:35:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 81 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:35:27,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:27,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016207764] [2022-02-19 04:35:27,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016207764] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:27,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829665595] [2022-02-19 04:35:27,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:35:27,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:27,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:27,380 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 04:35:27,431 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 04:35:27,472 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-02-19 04:35:27,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:35:27,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 04:35:27,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:35:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 81 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:35:27,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:35:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 81 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:35:27,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829665595] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:27,704 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:27,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 10] total 20 [2022-02-19 04:35:27,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372783059] [2022-02-19 04:35:27,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:27,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-19 04:35:27,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:27,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-19 04:35:27,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2022-02-19 04:35:27,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:27,705 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:27,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 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 04:35:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:27,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-19 04:35:28,011 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,SelfDestructingSolverStorable12 [2022-02-19 04:35:28,012 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:28,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash -747058876, now seen corresponding path program 12 times [2022-02-19 04:35:28,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:28,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775282150] [2022-02-19 04:35:28,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:35:28,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:28,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775282150] [2022-02-19 04:35:28,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775282150] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:28,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731740512] [2022-02-19 04:35:28,484 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:35:28,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:28,485 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 04:35:28,486 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 04:35:28,527 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-02-19 04:35:28,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:35:28,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-19 04:35:28,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:35:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:30,862 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:35:30,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 92 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 28 case distinctions, treesize of input 209 treesize of output 425 [2022-02-19 04:35:41,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:35:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 77 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:35:41,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:35:42,147 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:35:42,148 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 58 treesize of output 62 [2022-02-19 04:35:43,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:35:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:35:43,819 INFO L353 Elim1Store]: treesize reduction 28, result has 86.1 percent of original size [2022-02-19 04:35:43,819 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 11 new quantified variables, introduced 33 case distinctions, treesize of input 122 treesize of output 228 [2022-02-19 04:35:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 3 proven. 197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:35:45,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731740512] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:45,145 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:45,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 64 [2022-02-19 04:35:45,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618066634] [2022-02-19 04:35:45,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:45,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-19 04:35:45,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:45,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-19 04:35:45,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=3666, Unknown=0, NotChecked=0, Total=4160 [2022-02-19 04:35:45,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:45,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:45,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0) internal successors, (195), 64 states have internal predecessors, (195), 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 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:45,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:54,613 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 04:35:54,807 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,SelfDestructingSolverStorable13 [2022-02-19 04:35:54,807 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash -19549340, now seen corresponding path program 13 times [2022-02-19 04:35:54,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:54,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147731036] [2022-02-19 04:35:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:54,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 247 proven. 145 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-19 04:35:54,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:54,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147731036] [2022-02-19 04:35:54,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147731036] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:54,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534905770] [2022-02-19 04:35:54,956 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:35:54,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:54,957 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 04:35:54,958 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 04:35:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:54,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-19 04:35:54,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:35:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 253 proven. 145 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-19 04:35:55,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:35:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 253 proven. 145 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-19 04:35:55,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534905770] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:55,156 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:55,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 24 [2022-02-19 04:35:55,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962336483] [2022-02-19 04:35:55,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:55,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-19 04:35:55,157 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-19 04:35:55,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=366, Unknown=0, NotChecked=0, Total=600 [2022-02-19 04:35:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:55,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:55,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.52) internal successors, (113), 24 states have internal predecessors, (113), 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 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:35:55,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-19 04:35:55,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:55,468 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2012572844, now seen corresponding path program 14 times [2022-02-19 04:35:55,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:55,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728912829] [2022-02-19 04:35:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 259 proven. 176 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-19 04:35:55,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:55,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728912829] [2022-02-19 04:35:55,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728912829] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:55,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355305535] [2022-02-19 04:35:55,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:35:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:55,634 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 04:35:55,635 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 04:35:55,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:35:55,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:35:55,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-19 04:35:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:35:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-19 04:35:55,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:35:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-19 04:35:55,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355305535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:55,906 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:55,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13, 13] total 26 [2022-02-19 04:35:55,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622089872] [2022-02-19 04:35:55,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:55,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-19 04:35:55,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:55,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-19 04:35:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2022-02-19 04:35:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:55,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:55,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.444444444444445) internal successors, (120), 26 states have internal predecessors, (120), 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 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:55,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:55,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:55,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:55,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:35:55,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:35:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:35:56,035 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 04:35:56,237 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,SelfDestructingSolverStorable15 [2022-02-19 04:35:56,238 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:56,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1747086692, now seen corresponding path program 15 times [2022-02-19 04:35:56,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:56,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463254898] [2022-02-19 04:35:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 269 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 04:35:56,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:56,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463254898] [2022-02-19 04:35:56,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463254898] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:56,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943747544] [2022-02-19 04:35:56,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:35:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:56,509 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 04:35:56,510 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 04:35:56,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-19 04:35:56,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:35:56,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 04:35:56,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:35:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 289 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:35:56,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:35:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 289 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 04:35:56,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943747544] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:35:56,935 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:35:56,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 18] total 36 [2022-02-19 04:35:56,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397921487] [2022-02-19 04:35:56,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:35:56,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-19 04:35:56,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:35:56,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-19 04:35:56,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=813, Unknown=0, NotChecked=0, Total=1332 [2022-02-19 04:35:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:56,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:35:56,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.54054054054054) internal successors, (168), 36 states have internal predecessors, (168), 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 04:35:56,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:56,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:56,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:35:56,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:35:57,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:35:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:35:57,125 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 04:35:57,328 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,SelfDestructingSolverStorable16 [2022-02-19 04:35:57,328 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 04:35:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:35:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1486366036, now seen corresponding path program 16 times [2022-02-19 04:35:57,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:35:57,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952321356] [2022-02-19 04:35:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:35:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:35:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:35:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:35:59,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:35:59,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952321356] [2022-02-19 04:35:59,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952321356] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:35:59,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273307305] [2022-02-19 04:35:59,252 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:35:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:35:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:35:59,253 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 04:35:59,254 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 04:35:59,304 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:35:59,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:35:59,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 111 conjunts are in the unsatisfiable core [2022-02-19 04:35:59,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:36:11,718 INFO L353 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2022-02-19 04:36:11,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 389 treesize of output 191 [2022-02-19 04:36:11,857 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-19 04:36:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:36:11,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:36:13,693 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:36:13,693 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 98 treesize of output 102 [2022-02-19 04:36:47,567 WARN L228 SmtUtils]: Spent 29.21s on a formula simplification. DAG size of input: 2329 DAG size of output: 1241 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:36:47,583 INFO L353 Elim1Store]: treesize reduction 3744, result has 43.3 percent of original size [2022-02-19 04:36:47,584 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 227 treesize of output 2951 Received shutdown request... [2022-02-19 04:46:34,704 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-19 04:46:34,722 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 04:46:34,722 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 04:46:34,722 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 04:46:34,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-19 04:46:34,922 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,SelfDestructingSolverStorable17 [2022-02-19 04:46:34,922 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2022-02-19 04:46:34,924 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-19 04:46:34,924 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 04:46:34,924 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 04:46:34,924 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 04:46:34,929 INFO L732 BasicCegarLoop]: Path program histogram: [16, 2] [2022-02-19 04:46:34,931 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 04:46:34,931 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 04:46:34,932 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:46:34 BasicIcfg [2022-02-19 04:46:34,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 04:46:34,933 INFO L158 Benchmark]: Toolchain (without parser) took 865662.01ms. Allocated memory was 170.9MB in the beginning and 638.6MB in the end (delta: 467.7MB). Free memory was 127.4MB in the beginning and 279.3MB in the end (delta: -151.9MB). Peak memory consumption was 399.7MB. Max. memory is 8.0GB. [2022-02-19 04:46:34,933 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:46:34,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.44ms. Allocated memory is still 170.9MB. Free memory was 127.3MB in the beginning and 125.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 04:46:34,933 INFO L158 Benchmark]: Boogie Preprocessor took 17.02ms. Allocated memory is still 170.9MB. Free memory was 125.8MB in the beginning and 124.8MB in the end (delta: 907.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:46:34,933 INFO L158 Benchmark]: RCFGBuilder took 189.02ms. Allocated memory is still 170.9MB. Free memory was 124.7MB in the beginning and 114.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 04:46:34,934 INFO L158 Benchmark]: TraceAbstraction took 865422.00ms. Allocated memory was 170.9MB in the beginning and 638.6MB in the end (delta: 467.7MB). Free memory was 114.1MB in the beginning and 279.3MB in the end (delta: -165.2MB). Peak memory consumption was 386.0MB. Max. memory is 8.0GB. [2022-02-19 04:46:34,934 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 170.9MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.44ms. Allocated memory is still 170.9MB. Free memory was 127.3MB in the beginning and 125.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.02ms. Allocated memory is still 170.9MB. Free memory was 125.8MB in the beginning and 124.8MB in the end (delta: 907.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 189.02ms. Allocated memory is still 170.9MB. Free memory was 124.7MB in the beginning and 114.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 865422.00ms. Allocated memory was 170.9MB in the beginning and 638.6MB in the end (delta: 467.7MB). Free memory was 114.1MB in the beginning and 279.3MB in the end (delta: -165.2MB). Peak memory consumption was 386.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16925, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 2398, negative conditional: 2388, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14590, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 63, negative conditional: 53, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14590, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 63, negative conditional: 53, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 13338, positive unconditional: 1189, negative: 1048, negative conditional: 985, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 10413, positive unconditional: 4114, negative: 1048, negative conditional: 851, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 10413, positive unconditional: 4114, negative: 1048, negative conditional: 851, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 919, positive: 738, positive conditional: 78, positive unconditional: 660, negative: 181, negative conditional: 171, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 919, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 272, negative conditional: 0, negative unconditional: 272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 272, positive: 91, positive conditional: 78, positive unconditional: 13, negative: 181, negative conditional: 171, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 418, positive: 158, positive conditional: 115, positive unconditional: 43, negative: 260, negative conditional: 213, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15575, positive: 13789, positive conditional: 10335, positive unconditional: 3454, negative: 867, negative conditional: 680, negative unconditional: 187, unknown: 919, unknown conditional: 249, unknown unconditional: 670] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 738, Positive conditional cache size: 78, Positive unconditional cache size: 660, Negative cache size: 181, Negative conditional cache size: 171, Negative unconditional cache size: 10, Eliminated conditions: 3059, Maximal queried relation: 15, Independence queries for same thread: 2335 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 77, Number of trivial persistent sets: 24, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 748, positive: 738, positive conditional: 0, positive unconditional: 738, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16925, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 2398, negative conditional: 2388, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14590, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 63, negative conditional: 53, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14590, positive: 14527, positive conditional: 13789, positive unconditional: 738, negative: 63, negative conditional: 53, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 13338, positive unconditional: 1189, negative: 1048, negative conditional: 985, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 10413, positive unconditional: 4114, negative: 1048, negative conditional: 851, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15575, positive: 14527, positive conditional: 10413, positive unconditional: 4114, negative: 1048, negative conditional: 851, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 919, positive: 738, positive conditional: 78, positive unconditional: 660, negative: 181, negative conditional: 171, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 919, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 272, negative conditional: 0, negative unconditional: 272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 272, positive: 91, positive conditional: 78, positive unconditional: 13, negative: 181, negative conditional: 171, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 418, positive: 158, positive conditional: 115, positive unconditional: 43, negative: 260, negative conditional: 213, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15575, positive: 13789, positive conditional: 10335, positive unconditional: 3454, negative: 867, negative conditional: 680, negative unconditional: 187, unknown: 919, unknown conditional: 249, unknown unconditional: 670] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 738, Positive conditional cache size: 78, Positive unconditional cache size: 660, Negative cache size: 181, Negative conditional cache size: 171, Negative unconditional cache size: 10, Eliminated conditions: 3059, Maximal queried relation: 15, Independence queries for same thread: 2335 - 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 74]: 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 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 76]: 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 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 74]: 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 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 75]: 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 110 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∧-82-17-17-9-16-8-15-7-14-6-13-5-12-4-11-3-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 865.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 16.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 307, 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, 0.5s SatisfiabilityAnalysisTime, 206.6s InterpolantComputationTime, 1828 NumberOfCodeBlocks, 1828 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 2592 ConstructedInterpolants, 80 QuantifiedInterpolants, 48803 SizeOfPredicates, 59 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 419 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 3470/7325 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