/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-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 05:57:47,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 05:57:47,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 05:57:47,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 05:57:47,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 05:57:47,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 05:57:47,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 05:57:47,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 05:57:47,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 05:57:47,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 05:57:47,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 05:57:47,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 05:57:47,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 05:57:47,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 05:57:47,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 05:57:47,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 05:57:47,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 05:57:47,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 05:57:47,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 05:57:47,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 05:57:47,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 05:57:47,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 05:57:47,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 05:57:47,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 05:57:47,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 05:57:47,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 05:57:47,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 05:57:47,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 05:57:47,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 05:57:47,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 05:57:47,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 05:57:47,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 05:57:47,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 05:57:47,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 05:57:47,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 05:57:47,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 05:57:47,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 05:57:47,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 05:57:47,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 05:57:47,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 05:57:47,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 05:57:47,372 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-NewStatesSleep-NoLbe-Random42.epf [2021-08-07 05:57:47,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 05:57:47,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 05:57:47,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 05:57:47,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 05:57:47,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 05:57:47,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 05:57:47,398 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 05:57:47,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 05:57:47,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 05:57:47,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 05:57:47,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 05:57:47,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:57:47,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 05:57:47,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 05:57:47,401 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 05:57:47,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 05:57:47,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 05:57:47,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 05:57:47,675 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 05:57:47,676 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 05:57:47,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-08-07 05:57:47,677 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-08-07 05:57:47,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 05:57:47,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 05:57:47,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 05:57:47,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 05:57:47,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 05:57:47,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 05:57:47,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 05:57:47,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 05:57:47,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 05:57:47,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 05:57:47,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 05:57:47,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 05:57:47,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 05:57:47,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/1) ... [2021-08-07 05:57:47,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:57:47,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:47,770 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) [2021-08-07 05:57:47,783 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 [2021-08-07 05:57:47,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 05:57:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 05:57:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 05:57:47,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 05:57:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 05:57:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 05:57:47,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 05:57:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 05:57:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 05:57:47,799 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 05:57:47,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 05:57:47,925 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 05:57:47,926 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:57:47 BoogieIcfgContainer [2021-08-07 05:57:47,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 05:57:47,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 05:57:47,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 05:57:47,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 05:57:47,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 05:57:47" (1/2) ... [2021-08-07 05:57:47,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2ded2f and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:57:47, skipping insertion in model container [2021-08-07 05:57:47,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:57:47" (2/2) ... [2021-08-07 05:57:47,931 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-08-07 05:57:47,934 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 05:57:47,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 05:57:47,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 05:57:47,934 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 05:57:47,956 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-07 05:57:48,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 05:57:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:48,004 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) [2021-08-07 05:57:48,005 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 [2021-08-07 05:57:48,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 05:57:48,024 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-07 05:57:48,024 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 05:57:48,067 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:48,071 INFO L82 PathProgramCache]: Analyzing trace with hash -983252507, now seen corresponding path program 1 times [2021-08-07 05:57:48,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:48,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544510378] [2021-08-07 05:57:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:48,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:48,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:48,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544510378] [2021-08-07 05:57:48,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544510378] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:57:48,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:57:48,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 05:57:48,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220229598] [2021-08-07 05:57:48,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 05:57:48,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:48,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 05:57:48,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-07 05:57:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:48,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:48,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-07 05:57:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:48,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 05:57:48,393 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:48,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:48,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1475129883, now seen corresponding path program 1 times [2021-08-07 05:57:48,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:48,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427959923] [2021-08-07 05:57:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:48,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 05:57:48,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:48,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427959923] [2021-08-07 05:57:48,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427959923] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:48,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216228576] [2021-08-07 05:57:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:48,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:48,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:48,529 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) [2021-08-07 05:57:48,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 05:57:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:48,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 05:57:48,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:48,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216228576] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:48,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:48,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-08-07 05:57:48,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603634175] [2021-08-07 05:57:48,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:57:48,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:48,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:57:48,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:57:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:48,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:48,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 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) [2021-08-07 05:57:48,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:48,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:48,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-07 05:57:49,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-07 05:57:49,173 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:49,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:49,174 INFO L82 PathProgramCache]: Analyzing trace with hash -529087835, now seen corresponding path program 1 times [2021-08-07 05:57:49,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:49,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405311092] [2021-08-07 05:57:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:49,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:49,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:49,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405311092] [2021-08-07 05:57:49,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405311092] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:49,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902436652] [2021-08-07 05:57:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:49,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:49,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:49,957 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) [2021-08-07 05:57:49,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 05:57:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:50,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 37 conjunts are in the unsatisfiable core [2021-08-07 05:57:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:50,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-08-07 05:57:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:50,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902436652] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:50,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:50,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 28 [2021-08-07 05:57:50,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511702688] [2021-08-07 05:57:50,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-07 05:57:50,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:50,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-07 05:57:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2021-08-07 05:57:50,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:50,856 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:50,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.896551724137931) internal successors, (55), 28 states have internal predecessors, (55), 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) [2021-08-07 05:57:50,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:50,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:50,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:51,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 05:57:51,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:51,653 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:51,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:51,653 INFO L82 PathProgramCache]: Analyzing trace with hash 383676293, now seen corresponding path program 2 times [2021-08-07 05:57:51,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:51,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407781632] [2021-08-07 05:57:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:51,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:51,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:51,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407781632] [2021-08-07 05:57:51,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407781632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:51,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066020683] [2021-08-07 05:57:51,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 05:57:51,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:51,753 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) [2021-08-07 05:57:51,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 05:57:51,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 05:57:51,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:57:51,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 05:57:51,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:52,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066020683] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:52,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:52,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-08-07 05:57:52,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229623160] [2021-08-07 05:57:52,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 05:57:52,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 05:57:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-08-07 05:57:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:52,082 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:52,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:57:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:52,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 05:57:52,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:52,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:52,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1342502989, now seen corresponding path program 3 times [2021-08-07 05:57:52,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:52,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526113400] [2021-08-07 05:57:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:52,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 24 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:52,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:52,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526113400] [2021-08-07 05:57:52,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526113400] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:52,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650060170] [2021-08-07 05:57:52,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 05:57:52,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:52,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:52,605 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) [2021-08-07 05:57:52,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 05:57:52,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-07 05:57:52,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:57:52,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 05:57:52,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:53,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650060170] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:53,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:53,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-08-07 05:57:53,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236592943] [2021-08-07 05:57:53,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-07 05:57:53,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:53,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-07 05:57:53,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-08-07 05:57:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:53,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:53,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) [2021-08-07 05:57:53,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:57:53,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 05:57:53,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:53,449 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:53,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:53,449 INFO L82 PathProgramCache]: Analyzing trace with hash 394026053, now seen corresponding path program 4 times [2021-08-07 05:57:53,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:53,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211493879] [2021-08-07 05:57:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:53,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:53,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:53,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211493879] [2021-08-07 05:57:53,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211493879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:53,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144910636] [2021-08-07 05:57:53,548 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 05:57:53,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:53,549 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) [2021-08-07 05:57:53,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 05:57:53,691 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 05:57:53,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:57:53,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-07 05:57:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:53,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144910636] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:53,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:53,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-08-07 05:57:53,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537859435] [2021-08-07 05:57:53,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 05:57:53,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:53,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 05:57:53,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-08-07 05:57:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:53,984 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:53,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:57:53,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:57:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:57:54,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 05:57:54,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:54,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:57:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:57:54,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1999432973, now seen corresponding path program 5 times [2021-08-07 05:57:54,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:57:54,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388363059] [2021-08-07 05:57:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:57:54,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:57:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:57:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:56,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:57:56,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388363059] [2021-08-07 05:57:56,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388363059] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:56,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26328979] [2021-08-07 05:57:56,051 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 05:57:56,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:57:56,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:57:56,052 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) [2021-08-07 05:57:56,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 05:57:56,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 05:57:56,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:57:56,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 73 conjunts are in the unsatisfiable core [2021-08-07 05:57:56,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:57:58,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-08-07 05:57:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:57:58,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26328979] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:57:58,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:57:58,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 32] total 64 [2021-08-07 05:57:58,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614853182] [2021-08-07 05:57:58,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-07 05:57:58,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:57:58,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-07 05:57:58,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=3788, Unknown=0, NotChecked=0, Total=4160 [2021-08-07 05:57:58,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:57:58,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:57:58,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.7692307692307692) internal successors, (115), 64 states have internal predecessors, (115), 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) [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:57:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:03,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 05:58:03,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:03,285 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:58:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:58:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash 520965381, now seen corresponding path program 6 times [2021-08-07 05:58:03,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:58:03,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7121838] [2021-08-07 05:58:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:58:03,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:58:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:58:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 65 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:03,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:58:03,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7121838] [2021-08-07 05:58:03,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7121838] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:03,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252565449] [2021-08-07 05:58:03,441 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 05:58:03,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:03,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:58:03,442 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) [2021-08-07 05:58:03,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 05:58:03,728 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-08-07 05:58:03,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:58:03,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 05:58:03,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:58:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 81 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:04,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252565449] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:04,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:58:04,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-08-07 05:58:04,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296289387] [2021-08-07 05:58:04,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 05:58:04,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:58:04,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 05:58:04,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-07 05:58:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:04,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:58:04,066 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) [2021-08-07 05:58:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:04,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:04,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:04,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:04,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:04,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:58:04,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-07 05:58:04,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-07 05:58:04,633 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:58:04,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:58:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1912956365, now seen corresponding path program 7 times [2021-08-07 05:58:04,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:58:04,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866938856] [2021-08-07 05:58:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:58:04,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:58:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:58:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 23 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:07,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:58:07,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866938856] [2021-08-07 05:58:07,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866938856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:07,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561506998] [2021-08-07 05:58:07,045 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 05:58:07,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:58:07,046 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) [2021-08-07 05:58:07,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 05:58:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:58:07,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 97 conjunts are in the unsatisfiable core [2021-08-07 05:58:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:58:11,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-08-07 05:58:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:11,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561506998] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:11,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:58:11,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 44] total 88 [2021-08-07 05:58:11,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582729374] [2021-08-07 05:58:11,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2021-08-07 05:58:11,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:58:11,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-08-07 05:58:11,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=659, Invalid=7173, Unknown=0, NotChecked=0, Total=7832 [2021-08-07 05:58:11,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:11,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:58:11,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.7415730337078652) internal successors, (155), 88 states have internal predecessors, (155), 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) [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:58:11,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:58:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:58:17,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 05:58:17,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:17,460 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:58:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:58:17,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2143924795, now seen corresponding path program 8 times [2021-08-07 05:58:17,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:58:17,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217505207] [2021-08-07 05:58:17,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:58:17,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:58:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:58:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 126 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:17,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:58:17,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217505207] [2021-08-07 05:58:17,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217505207] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:17,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615589427] [2021-08-07 05:58:17,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 05:58:17,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:17,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:58:17,667 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) [2021-08-07 05:58:17,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 05:58:18,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 05:58:18,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:58:18,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 05:58:18,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:58:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 148 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:18,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615589427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:18,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:58:18,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 20 [2021-08-07 05:58:18,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381669748] [2021-08-07 05:58:18,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 05:58:18,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:58:18,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 05:58:18,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-07 05:58:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:18,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:58:18,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 20 states have internal predecessors, (104), 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) [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:58:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:58:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:58:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:58:19,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-07 05:58:19,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 05:58:19,307 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:58:19,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:58:19,307 INFO L82 PathProgramCache]: Analyzing trace with hash -971763341, now seen corresponding path program 9 times [2021-08-07 05:58:19,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:58:19,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177743082] [2021-08-07 05:58:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:58:19,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:58:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:58:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 27 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:58:22,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:58:22,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177743082] [2021-08-07 05:58:22,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177743082] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:58:22,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294183540] [2021-08-07 05:58:22,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 05:58:22,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:58:22,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:58:22,940 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) [2021-08-07 05:58:22,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 05:58:23,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-07 05:58:23,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:58:23,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 123 conjunts are in the unsatisfiable core [2021-08-07 05:58:23,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:58:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 05:58:33,201 INFO L354 Elim1Store]: treesize reduction 582, result has 45.8 percent of original size [2021-08-07 05:58:33,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 22 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 98 case distinctions, treesize of input 95 treesize of output 525 [2021-08-07 05:59:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:59:15,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294183540] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:59:15,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:59:15,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 116 [2021-08-07 05:59:15,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240427066] [2021-08-07 05:59:15,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2021-08-07 05:59:15,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:59:15,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-08-07 05:59:15,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=876, Invalid=12696, Unknown=0, NotChecked=0, Total=13572 [2021-08-07 05:59:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:15,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:59:15,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 1.6666666666666667) internal successors, (195), 116 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) [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:15,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 05:59:30,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-08-07 05:59:30,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-07 05:59:30,321 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:59:30,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:59:30,322 INFO L82 PathProgramCache]: Analyzing trace with hash -582523483, now seen corresponding path program 10 times [2021-08-07 05:59:30,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:59:30,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784845941] [2021-08-07 05:59:30,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:59:30,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:59:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:59:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 90 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:59:34,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:59:34,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784845941] [2021-08-07 05:59:34,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784845941] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:59:34,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291765335] [2021-08-07 05:59:34,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 05:59:34,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:59:34,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:59:34,571 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) [2021-08-07 05:59:34,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 05:59:35,287 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 05:59:35,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:59:35,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-07 05:59:35,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:59:43,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-08-07 05:59:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:59:43,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291765335] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:59:43,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:59:43,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 62] total 124 [2021-08-07 05:59:43,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119628362] [2021-08-07 05:59:43,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2021-08-07 05:59:43,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:59:43,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-08-07 05:59:43,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=14218, Unknown=0, NotChecked=0, Total=15500 [2021-08-07 05:59:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:43,190 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:59:43,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.72) internal successors, (215), 124 states have internal predecessors, (215), 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) [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 05:59:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 05:59:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-08-07 05:59:53,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 05:59:54,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-07 05:59:54,163 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:59:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:59:54,163 INFO L82 PathProgramCache]: Analyzing trace with hash 165009811, now seen corresponding path program 11 times [2021-08-07 05:59:54,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:59:54,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824329681] [2021-08-07 05:59:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:59:54,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:59:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:59:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 255 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:59:54,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:59:54,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824329681] [2021-08-07 05:59:54,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824329681] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:59:54,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894701120] [2021-08-07 05:59:54,494 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 05:59:54,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 05:59:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:59:54,495 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) [2021-08-07 05:59:54,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 05:59:55,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-08-07 05:59:55,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 05:59:55,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-07 05:59:55,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 05:59:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 286 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:59:55,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894701120] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 05:59:55,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 05:59:55,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 26 [2021-08-07 05:59:55,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702959348] [2021-08-07 05:59:55,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-07 05:59:55,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:59:55,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-07 05:59:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-07 05:59:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:55,983 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:59:55,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.962962962962963) internal successors, (134), 26 states have internal predecessors, (134), 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) [2021-08-07 05:59:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-08-07 05:59:55,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 05:59:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 05:59:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 05:59:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 05:59:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-08-07 05:59:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 05:59:56,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 05:59:56,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-07 05:59:56,980 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 05:59:56,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:59:56,980 INFO L82 PathProgramCache]: Analyzing trace with hash -117852571, now seen corresponding path program 12 times [2021-08-07 05:59:56,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:59:56,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896013098] [2021-08-07 05:59:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:59:56,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:59:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:00:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 194 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:00:02,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:00:02,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896013098] [2021-08-07 06:00:02,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896013098] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:00:02,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362178532] [2021-08-07 06:00:02,792 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 06:00:02,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:00:02,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:00:02,793 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) [2021-08-07 06:00:02,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 06:00:03,751 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-08-07 06:00:03,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:00:03,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 159 conjunts are in the unsatisfiable core [2021-08-07 06:00:03,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:00:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:00:18,723 INFO L354 Elim1Store]: treesize reduction 246, result has 71.1 percent of original size [2021-08-07 06:00:18,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 34 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 86 case distinctions, treesize of input 101 treesize of output 645 [2021-08-07 06:01:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:01:48,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362178532] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:01:48,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:01:48,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78] total 152 [2021-08-07 06:01:48,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500953177] [2021-08-07 06:01:48,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2021-08-07 06:01:48,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:01:48,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2021-08-07 06:01:48,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1739, Invalid=21517, Unknown=0, NotChecked=0, Total=23256 [2021-08-07 06:01:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:01:48,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:01:48,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 1.6666666666666667) internal successors, (255), 152 states have internal predecessors, (255), 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) [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:01:48,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:02:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:02:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 06:02:05,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 06:02:06,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:02:06,141 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 06:02:06,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:02:06,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1687367693, now seen corresponding path program 13 times [2021-08-07 06:02:06,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:02:06,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609017957] [2021-08-07 06:02:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:02:06,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:02:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:02:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 207 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:02:12,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:02:12,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609017957] [2021-08-07 06:02:12,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609017957] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:02:12,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823456900] [2021-08-07 06:02:12,607 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 06:02:12,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:02:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:02:12,608 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) [2021-08-07 06:02:12,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 06:02:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:02:13,883 WARN L261 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 169 conjunts are in the unsatisfiable core [2021-08-07 06:02:13,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:02:25,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-08-07 06:02:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:02:25,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823456900] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:02:25,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:02:25,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 80] total 160 [2021-08-07 06:02:25,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413041792] [2021-08-07 06:02:25,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2021-08-07 06:02:25,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:02:25,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2021-08-07 06:02:25,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2176, Invalid=23584, Unknown=0, NotChecked=0, Total=25760 [2021-08-07 06:02:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:02:25,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:02:25,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 1.7080745341614907) internal successors, (275), 160 states have internal predecessors, (275), 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) [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 06:02:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:02:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 06:02:42,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-08-07 06:02:42,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-07 06:02:42,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-07 06:02:42,278 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 06:02:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:02:42,278 INFO L82 PathProgramCache]: Analyzing trace with hash 804892677, now seen corresponding path program 14 times [2021-08-07 06:02:42,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:02:42,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668805055] [2021-08-07 06:02:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:02:42,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:02:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:02:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 429 proven. 580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:02:42,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:02:42,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668805055] [2021-08-07 06:02:42,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668805055] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:02:42,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305531068] [2021-08-07 06:02:42,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 06:02:42,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:02:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:02:42,801 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) [2021-08-07 06:02:42,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 06:02:44,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 06:02:44,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:02:44,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-07 06:02:44,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:02:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 469 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:02:45,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305531068] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:02:45,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:02:45,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 32 [2021-08-07 06:02:45,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375811720] [2021-08-07 06:02:45,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 06:02:45,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:02:45,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 06:02:45,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=782, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 06:02:45,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:02:45,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:02:45,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.96969696969697) internal successors, (164), 32 states have internal predecessors, (164), 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) [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:02:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:02:45,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:02:45,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:02:45,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 06:02:45,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-08-07 06:02:45,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:02:46,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-08-07 06:02:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 06:02:46,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-07 06:02:46,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-07 06:02:46,341 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 06:02:46,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:02:46,341 INFO L82 PathProgramCache]: Analyzing trace with hash 542381875, now seen corresponding path program 15 times [2021-08-07 06:02:46,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:02:46,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856341524] [2021-08-07 06:02:46,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:02:46,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:02:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:02:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 296 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:02:55,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:02:55,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856341524] [2021-08-07 06:02:55,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856341524] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:02:55,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135880522] [2021-08-07 06:02:55,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 06:02:55,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:02:55,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:02:55,263 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) [2021-08-07 06:02:55,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 06:02:56,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-08-07 06:02:56,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:02:56,879 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 195 conjunts are in the unsatisfiable core [2021-08-07 06:02:56,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:03:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 06:03:28,964 WARN L207 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 1194 DAG size of output: 666 [2021-08-07 06:03:28,966 INFO L354 Elim1Store]: treesize reduction 1826, result has 42.2 percent of original size [2021-08-07 06:03:28,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 69 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 282 case distinctions, treesize of input 151 treesize of output 1379 [2021-08-07 06:05:08,801 WARN L207 SmtUtils]: Spent 10.70 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1306 [2021-08-07 06:08:42,095 WARN L207 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1306 [2021-08-07 06:09:10,293 WARN L207 SmtUtils]: Spent 28.04 s on a formula simplification. DAG size of input: 1626 DAG size of output: 1601 [2021-08-07 06:11:42,467 WARN L207 SmtUtils]: Spent 27.76 s on a formula simplification. DAG size of input: 1626 DAG size of output: 1601 Received shutdown request... [2021-08-07 06:12:21,772 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 06:12:21,780 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 [2021-08-07 06:12:21,781 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 [2021-08-07 06:12:21,781 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 [2021-08-07 06:12:21,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-07 06:12:21,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-07 06:12:21,995 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 164 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-109-7-3-4-2-12-2-7-2-10-2-5-3-11-3-7-2-6-3-7-3-6-3-6-3-4-2-6-2-2-2-1 context. [2021-08-07 06:12:21,996 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 06:12:21,996 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 06:12:22,003 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 06:12:22,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 06:12:22,007 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 06:12:22 BasicIcfg [2021-08-07 06:12:22,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 06:12:22,008 INFO L168 Benchmark]: Toolchain (without parser) took 874314.57 ms. Allocated memory was 169.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 149.2 MB in the beginning and 563.3 MB in the end (delta: -414.1 MB). Peak memory consumption was 969.0 MB. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 169.9 MB. Free memory is still 150.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.56 ms. Allocated memory is still 169.9 MB. Free memory was 149.1 MB in the beginning and 147.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 INFO L168 Benchmark]: Boogie Preprocessor took 10.09 ms. Allocated memory is still 169.9 MB. Free memory was 147.6 MB in the beginning and 146.7 MB in the end (delta: 941.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 INFO L168 Benchmark]: RCFGBuilder took 204.20 ms. Allocated memory is still 169.9 MB. Free memory was 146.6 MB in the beginning and 134.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 INFO L168 Benchmark]: TraceAbstraction took 874079.60 ms. Allocated memory was 169.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 134.3 MB in the beginning and 563.3 MB in the end (delta: -429.0 MB). Peak memory consumption was 953.3 MB. Max. memory is 8.0 GB. [2021-08-07 06:12:22,008 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 0.09 ms. Allocated memory is still 169.9 MB. Free memory is still 150.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.56 ms. Allocated memory is still 169.9 MB. Free memory was 149.1 MB in the beginning and 147.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.09 ms. Allocated memory is still 169.9 MB. Free memory was 147.6 MB in the beginning and 146.7 MB in the end (delta: 941.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 204.20 ms. Allocated memory is still 169.9 MB. Free memory was 146.6 MB in the beginning and 134.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 874079.60 ms. Allocated memory was 169.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 134.3 MB in the beginning and 563.3 MB in the end (delta: -429.0 MB). Peak memory consumption was 953.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10527, positive: 8171, positive conditional: 8171, positive unconditional: 0, negative: 2356, negative conditional: 2356, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8171, positive: 8171, positive conditional: 8171, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8171, positive: 8171, positive conditional: 8171, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8171, positive: 8171, positive conditional: 8083, positive unconditional: 88, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8171, positive: 8171, positive conditional: 7342, positive unconditional: 829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8171, positive: 8171, positive conditional: 7342, positive unconditional: 829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8171, positive: 8095, positive conditional: 7342, positive unconditional: 753, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 741, Maximal queried relation: 0, Independence queries for same thread: 2356 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 164 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-109-7-3-4-2-12-2-7-2-10-2-5-3-11-3-7-2-6-3-7-3-6-3-6-3-4-2-6-2-2-2-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 164 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-109-7-3-4-2-12-2-7-2-10-2-5-3-11-3-7-2-6-3-7-3-6-3-6-3-4-2-6-2-2-2-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 164 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-109-7-3-4-2-12-2-7-2-10-2-5-3-11-3-7-2-6-3-7-3-6-3-6-3-4-2-6-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 874002.3ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 74392.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 716, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 124.4ms SsaConstructionTime, 584.9ms SatisfiabilityAnalysisTime, 212512.6ms InterpolantComputationTime, 2643 NumberOfCodeBlocks, 2643 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 2612 ConstructedInterpolants, 109 QuantifiedInterpolants, 79645 SizeOfPredicates, 180 NumberOfNonLiveVariables, 2332 ConjunctsInSsa, 923 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 2580/10168 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