/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 15:00:18,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 15:00:18,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 15:00:18,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 15:00:18,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 15:00:18,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 15:00:18,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 15:00:18,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 15:00:18,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 15:00:18,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 15:00:18,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 15:00:18,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 15:00:18,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 15:00:18,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 15:00:18,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 15:00:18,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 15:00:18,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 15:00:18,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 15:00:18,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 15:00:18,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 15:00:18,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 15:00:18,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 15:00:18,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 15:00:18,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 15:00:18,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 15:00:18,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 15:00:18,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 15:00:18,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 15:00:18,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 15:00:18,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 15:00:18,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 15:00:18,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 15:00:18,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 15:00:18,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 15:00:18,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 15:00:18,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 15:00:18,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 15:00:18,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 15:00:18,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 15:00:18,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 15:00:18,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 15:00:18,990 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-Persistent-NoLbe.epf [2021-08-22 15:00:19,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 15:00:19,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 15:00:19,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 15:00:19,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 15:00:19,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 15:00:19,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 15:00:19,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 15:00:19,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 15:00:19,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 15:00:19,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 15:00:19,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 15:00:19,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 15:00:19,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 15:00:19,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 15:00:19,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 15:00:19,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 15:00:19,011 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-22 15:00:19,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 15:00:19,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 15:00:19,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 15:00:19,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 15:00:19,257 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 15:00:19,260 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 15:00:19,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-22 15:00:19,261 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-22 15:00:19,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 15:00:19,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 15:00:19,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 15:00:19,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 15:00:19,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 15:00:19,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 15:00:19,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 15:00:19,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 15:00:19,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 15:00:19,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 15:00:19,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 15:00:19,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 15:00:19,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 15:00:19,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/1) ... [2021-08-22 15:00:19,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 15:00:19,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:19,342 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) [2021-08-22 15:00:19,353 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 [2021-08-22 15:00:19,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 15:00:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 15:00:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 15:00:19,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 15:00:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 15:00:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 15:00:19,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 15:00:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 15:00:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 15:00:19,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 15:00:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 15:00:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 15:00:19,372 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 15:00:19,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 15:00:19,544 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 15:00:19,545 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:00:19 BoogieIcfgContainer [2021-08-22 15:00:19,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 15:00:19,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 15:00:19,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 15:00:19,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 15:00:19,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 03:00:19" (1/2) ... [2021-08-22 15:00:19,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57600c10 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:00:19, skipping insertion in model container [2021-08-22 15:00:19,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:00:19" (2/2) ... [2021-08-22 15:00:19,550 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-22 15:00:19,553 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 15:00:19,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 15:00:19,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 15:00:19,554 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 15:00:19,580 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 15:00:19,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 15:00:19,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:19,646 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) [2021-08-22 15:00:19,656 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 [2021-08-22 15:00:19,683 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 15:00:19,688 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 [2021-08-22 15:00:19,688 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 15:00:19,815 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:19,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:19,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1165228457, now seen corresponding path program 1 times [2021-08-22 15:00:19,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:19,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738619132] [2021-08-22 15:00:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:19,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 15:00:19,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:19,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738619132] [2021-08-22 15:00:19,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738619132] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 15:00:19,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 15:00:19,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 15:00:19,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334500163] [2021-08-22 15:00:19,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 15:00:19,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:19,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 15:00:19,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 15:00:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:20,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:20,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-08-22 15:00:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:20,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 15:00:20,060 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:20,060 INFO L82 PathProgramCache]: Analyzing trace with hash 489485835, now seen corresponding path program 1 times [2021-08-22 15:00:20,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:20,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051961328] [2021-08-22 15:00:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:20,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:20,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:20,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051961328] [2021-08-22 15:00:20,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051961328] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:20,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274945578] [2021-08-22 15:00:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:20,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:20,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:20,288 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) [2021-08-22 15:00:20,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 15:00:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:20,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 15:00:20,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:20,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-22 15:00:20,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-08-22 15:00:20,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-22 15:00:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:20,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274945578] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:20,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:20,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-22 15:00:20,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091951147] [2021-08-22 15:00:20,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 15:00:20,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 15:00:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-22 15:00:20,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:20,997 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:20,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 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) [2021-08-22 15:00:20,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:20,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:21,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 15:00:21,329 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 [2021-08-22 15:00:21,329 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:21,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:21,330 INFO L82 PathProgramCache]: Analyzing trace with hash -359112211, now seen corresponding path program 2 times [2021-08-22 15:00:21,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:21,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929923879] [2021-08-22 15:00:21,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:21,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:21,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:21,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929923879] [2021-08-22 15:00:21,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929923879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:21,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698376119] [2021-08-22 15:00:21,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 15:00:21,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:21,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:21,384 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) [2021-08-22 15:00:21,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 15:00:21,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 15:00:21,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:21,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 15:00:21,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 15:00:21,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698376119] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:21,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:21,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-22 15:00:21,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703827502] [2021-08-22 15:00:21,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 15:00:21,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:21,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 15:00:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-22 15:00:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:21,638 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:21,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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) [2021-08-22 15:00:21,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:21,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:21,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 15:00:21,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:22,043 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 [2021-08-22 15:00:22,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:22,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:22,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1783455915, now seen corresponding path program 3 times [2021-08-22 15:00:22,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:22,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342645899] [2021-08-22 15:00:22,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:22,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:22,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:22,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342645899] [2021-08-22 15:00:22,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342645899] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:22,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746237961] [2021-08-22 15:00:22,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 15:00:22,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:22,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:22,441 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) [2021-08-22 15:00:22,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 15:00:22,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 15:00:22,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:22,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 15:00:22,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:22,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 15:00:22,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2021-08-22 15:00:22,921 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 28 treesize of output 20 [2021-08-22 15:00:23,127 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-22 15:00:23,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2021-08-22 15:00:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:23,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746237961] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:23,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:23,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-22 15:00:23,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005218636] [2021-08-22 15:00:23,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 15:00:23,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 15:00:23,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-08-22 15:00:23,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:23,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:23,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 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) [2021-08-22 15:00:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 15:00:23,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 15:00:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:23,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:23,998 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 [2021-08-22 15:00:23,998 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:23,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:23,999 INFO L82 PathProgramCache]: Analyzing trace with hash 119538919, now seen corresponding path program 4 times [2021-08-22 15:00:23,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:23,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483189314] [2021-08-22 15:00:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:23,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 15:00:24,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:24,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483189314] [2021-08-22 15:00:24,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483189314] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:24,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243677852] [2021-08-22 15:00:24,072 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 15:00:24,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:24,074 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) [2021-08-22 15:00:24,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 15:00:24,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 15:00:24,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:24,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 15:00:24,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 15:00:24,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243677852] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:24,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:24,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-22 15:00:24,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535728475] [2021-08-22 15:00:24,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 15:00:24,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:24,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 15:00:24,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-22 15:00:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:24,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:24,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 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) [2021-08-22 15:00:24,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:24,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:24,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 15:00:24,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:24,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:24,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:24,708 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 [2021-08-22 15:00:24,709 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:24,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:24,709 INFO L82 PathProgramCache]: Analyzing trace with hash -259879133, now seen corresponding path program 5 times [2021-08-22 15:00:24,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:24,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694613763] [2021-08-22 15:00:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:24,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 15:00:24,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:24,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694613763] [2021-08-22 15:00:24,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694613763] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:24,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046466066] [2021-08-22 15:00:24,803 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 15:00:24,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:24,813 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) [2021-08-22 15:00:24,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 15:00:24,964 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-22 15:00:24,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:24,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 15:00:24,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 15:00:25,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046466066] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:25,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:25,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-22 15:00:25,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930319796] [2021-08-22 15:00:25,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 15:00:25,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:25,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 15:00:25,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-08-22 15:00:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:25,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:25,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 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) [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:25,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:25,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:25,709 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 [2021-08-22 15:00:25,709 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:25,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:25,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1264214855, now seen corresponding path program 6 times [2021-08-22 15:00:25,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:25,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387775779] [2021-08-22 15:00:25,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:25,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-22 15:00:25,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:25,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387775779] [2021-08-22 15:00:25,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387775779] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:25,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782045039] [2021-08-22 15:00:25,815 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 15:00:25,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:25,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:25,824 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) [2021-08-22 15:00:25,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 15:00:25,988 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-22 15:00:25,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:25,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 15:00:25,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 15:00:26,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782045039] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:26,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:26,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-08-22 15:00:26,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654916079] [2021-08-22 15:00:26,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-22 15:00:26,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:26,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-22 15:00:26,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-08-22 15:00:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:26,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:26,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:26,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:00:26,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:26,791 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 [2021-08-22 15:00:26,791 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:26,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:26,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1109257701, now seen corresponding path program 7 times [2021-08-22 15:00:26,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:26,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455019613] [2021-08-22 15:00:26,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:26,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:27,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:27,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455019613] [2021-08-22 15:00:27,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455019613] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:27,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827347682] [2021-08-22 15:00:27,696 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 15:00:27,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:27,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:27,696 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) [2021-08-22 15:00:27,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 15:00:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:27,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-22 15:00:27,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:28,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:00:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 15:00:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 15:00:28,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:28,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 15:00:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,117 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 90 treesize of output 54 [2021-08-22 15:00:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:00:29,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-08-22 15:00:29,567 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 [2021-08-22 15:00:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:29,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827347682] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:29,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:29,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-08-22 15:00:29,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812149145] [2021-08-22 15:00:29,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-22 15:00:29,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:29,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-22 15:00:29,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-08-22 15:00:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:29,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:29,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 37 states have internal predecessors, (95), 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) [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:00:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:00:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:00:31,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:31,476 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 [2021-08-22 15:00:31,477 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:31,477 INFO L82 PathProgramCache]: Analyzing trace with hash 247079263, now seen corresponding path program 8 times [2021-08-22 15:00:31,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:31,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545680777] [2021-08-22 15:00:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:31,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 15:00:31,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:31,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545680777] [2021-08-22 15:00:31,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545680777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:31,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465314366] [2021-08-22 15:00:31,590 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 15:00:31,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:31,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:31,591 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) [2021-08-22 15:00:31,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 15:00:31,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 15:00:31,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:31,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-22 15:00:31,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 15:00:32,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465314366] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:32,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:00:32,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-08-22 15:00:32,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71671850] [2021-08-22 15:00:32,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 15:00:32,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:00:32,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 15:00:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-08-22 15:00:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:32,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:00:32,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 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) [2021-08-22 15:00:32,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:32,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:00:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:00:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:00:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:00:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:00:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:00:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:00:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:00:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:00:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:00:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:00:32,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 15:00:32,503 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 [2021-08-22 15:00:32,503 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:00:32,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:00:32,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1576822629, now seen corresponding path program 9 times [2021-08-22 15:00:32,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:00:32,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206941036] [2021-08-22 15:00:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:00:32,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:00:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:00:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:00:33,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:00:33,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206941036] [2021-08-22 15:00:33,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206941036] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:00:33,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243111175] [2021-08-22 15:00:33,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 15:00:33,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:00:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:00:33,377 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) [2021-08-22 15:00:33,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 15:00:33,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 15:00:33,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:00:33,684 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 79 conjunts are in the unsatisfiable core [2021-08-22 15:00:33,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:00:34,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 15:00:34,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 15:00:34,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2021-08-22 15:00:34,781 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-08-22 15:00:34,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 50 [2021-08-22 15:00:34,950 INFO L354 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2021-08-22 15:00:34,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 66 [2021-08-22 15:00:35,410 INFO L354 Elim1Store]: treesize reduction 178, result has 45.9 percent of original size [2021-08-22 15:00:35,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 105 treesize of output 223 [2021-08-22 15:00:35,489 INFO L354 Elim1Store]: treesize reduction 164, result has 15.5 percent of original size [2021-08-22 15:00:35,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 333 treesize of output 301 [2021-08-22 15:01:26,811 INFO L354 Elim1Store]: treesize reduction 152, result has 24.4 percent of original size [2021-08-22 15:01:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 77 [2021-08-22 15:01:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:27,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243111175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:27,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:27,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-08-22 15:01:27,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155061270] [2021-08-22 15:01:27,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-22 15:01:27,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:27,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-22 15:01:27,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-08-22 15:01:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:27,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:27,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.18) internal successors, (109), 49 states have internal predecessors, (109), 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) [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:27,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:27,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:27,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:30,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:30,189 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 [2021-08-22 15:01:30,189 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:30,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1472664791, now seen corresponding path program 10 times [2021-08-22 15:01:30,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:30,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317371552] [2021-08-22 15:01:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:30,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 15:01:30,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:30,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317371552] [2021-08-22 15:01:30,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317371552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:30,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153450214] [2021-08-22 15:01:30,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 15:01:30,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:30,341 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) [2021-08-22 15:01:30,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 15:01:30,826 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 15:01:30,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:01:30,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-22 15:01:30,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 15:01:31,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153450214] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:31,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:31,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-08-22 15:01:31,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793165910] [2021-08-22 15:01:31,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-22 15:01:31,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:31,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-22 15:01:31,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-22 15:01:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:31,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:31,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 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) [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:31,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:31,596 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 [2021-08-22 15:01:31,597 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:31,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:31,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1675341277, now seen corresponding path program 11 times [2021-08-22 15:01:31,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:31,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401317762] [2021-08-22 15:01:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:31,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 16 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:32,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:32,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401317762] [2021-08-22 15:01:32,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401317762] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:32,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091248887] [2021-08-22 15:01:32,606 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 15:01:32,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:32,606 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) [2021-08-22 15:01:32,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 15:01:33,073 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-22 15:01:33,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:01:33,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 87 conjunts are in the unsatisfiable core [2021-08-22 15:01:33,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:33,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:01:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:33,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 15:01:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:33,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 15:01:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 15:01:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 15:01:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 15:01:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,579 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 126 treesize of output 74 [2021-08-22 15:01:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:34,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2021-08-22 15:01:35,472 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 [2021-08-22 15:01:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:35,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091248887] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:35,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:35,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-08-22 15:01:35,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557553344] [2021-08-22 15:01:35,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-22 15:01:35,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-22 15:01:35,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-08-22 15:01:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:35,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:35,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.411764705882353) internal successors, (123), 50 states have internal predecessors, (123), 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) [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:37,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:37,914 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 [2021-08-22 15:01:37,914 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1978227303, now seen corresponding path program 12 times [2021-08-22 15:01:37,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:37,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754252598] [2021-08-22 15:01:37,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:37,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 15:01:38,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:38,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754252598] [2021-08-22 15:01:38,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754252598] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:38,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710556009] [2021-08-22 15:01:38,048 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 15:01:38,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:38,049 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) [2021-08-22 15:01:38,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-22 15:01:38,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-22 15:01:38,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:01:38,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 15:01:38,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 15:01:38,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710556009] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:38,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:38,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-22 15:01:38,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441764166] [2021-08-22 15:01:38,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-22 15:01:38,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:38,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-22 15:01:38,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-22 15:01:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:38,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:38,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 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) [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:38,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:38,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:38,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:38,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:39,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:39,472 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 [2021-08-22 15:01:39,473 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:39,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:39,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1382113939, now seen corresponding path program 13 times [2021-08-22 15:01:39,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:39,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810379200] [2021-08-22 15:01:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:39,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 25 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:40,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:40,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810379200] [2021-08-22 15:01:40,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810379200] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:40,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053253786] [2021-08-22 15:01:40,764 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 15:01:40,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:40,764 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) [2021-08-22 15:01:40,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-22 15:01:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:41,402 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-22 15:01:41,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:42,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:01:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 15:01:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 15:01:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 15:01:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 15:01:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 15:01:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 15:01:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 84 [2021-08-22 15:01:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:43,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2021-08-22 15:01:44,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-08-22 15:01:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:44,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053253786] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:44,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:44,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-08-22 15:01:44,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327972680] [2021-08-22 15:01:44,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-22 15:01:44,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:44,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-22 15:01:44,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2802, Unknown=0, NotChecked=0, Total=3080 [2021-08-22 15:01:44,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:44,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:44,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 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) [2021-08-22 15:01:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:01:47,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:47,568 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 [2021-08-22 15:01:47,569 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:47,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:47,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1891777073, now seen corresponding path program 14 times [2021-08-22 15:01:47,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:47,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513598064] [2021-08-22 15:01:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:47,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 15:01:47,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:47,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513598064] [2021-08-22 15:01:47,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513598064] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:47,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959059694] [2021-08-22 15:01:47,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 15:01:47,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:47,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:47,727 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) [2021-08-22 15:01:47,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-22 15:01:48,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 15:01:48,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:01:48,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 15:01:48,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 15:01:48,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959059694] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:48,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:48,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-08-22 15:01:48,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762354112] [2021-08-22 15:01:48,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 15:01:48,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:48,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 15:01:48,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-22 15:01:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:48,725 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:48,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 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) [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:48,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:48,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:48,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:48,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:01:48,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:01:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:49,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-22 15:01:49,355 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 [2021-08-22 15:01:49,355 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:01:49,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:01:49,356 INFO L82 PathProgramCache]: Analyzing trace with hash -111124949, now seen corresponding path program 15 times [2021-08-22 15:01:49,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:01:49,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426393163] [2021-08-22 15:01:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:01:49,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:01:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:01:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 36 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:50,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:01:50,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426393163] [2021-08-22 15:01:50,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426393163] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:50,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658672093] [2021-08-22 15:01:50,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 15:01:50,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:01:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:01:50,813 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) [2021-08-22 15:01:50,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-22 15:01:51,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-22 15:01:51,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:01:51,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-22 15:01:51,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:01:52,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:01:52,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 15:01:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:01:52,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 15:01:53,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-08-22 15:01:53,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-08-22 15:01:53,394 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-08-22 15:01:53,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 74 [2021-08-22 15:01:53,627 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-08-22 15:01:53,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 90 [2021-08-22 15:01:53,885 INFO L354 Elim1Store]: treesize reduction 292, result has 12.0 percent of original size [2021-08-22 15:01:53,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 86 treesize of output 106 [2021-08-22 15:01:54,423 INFO L354 Elim1Store]: treesize reduction 288, result has 29.6 percent of original size [2021-08-22 15:01:54,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 133 treesize of output 211 [2021-08-22 15:01:54,542 INFO L354 Elim1Store]: treesize reduction 332, result has 12.4 percent of original size [2021-08-22 15:01:54,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 301 treesize of output 282 [2021-08-22 15:01:59,122 INFO L354 Elim1Store]: treesize reduction 396, result has 3.2 percent of original size [2021-08-22 15:01:59,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 75 treesize of output 45 [2021-08-22 15:01:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:01:59,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658672093] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:01:59,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:01:59,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34] total 64 [2021-08-22 15:01:59,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829180707] [2021-08-22 15:01:59,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-22 15:01:59,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:01:59,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-22 15:01:59,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3835, Unknown=0, NotChecked=0, Total=4160 [2021-08-22 15:01:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:01:59,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:01:59,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.3230769230769233) internal successors, (151), 64 states have internal predecessors, (151), 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) [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:01:59,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:01:59,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:01:59,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:03,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-22 15:02:03,407 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 [2021-08-22 15:02:03,407 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:03,407 INFO L82 PathProgramCache]: Analyzing trace with hash 799711087, now seen corresponding path program 16 times [2021-08-22 15:02:03,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:03,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129913635] [2021-08-22 15:02:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:03,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 15:02:03,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:03,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129913635] [2021-08-22 15:02:03,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129913635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:03,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844221187] [2021-08-22 15:02:03,598 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 15:02:03,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:03,598 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) [2021-08-22 15:02:03,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-22 15:02:04,606 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 15:02:04,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:02:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-22 15:02:04,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 15:02:04,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844221187] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:04,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:02:04,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-08-22 15:02:04,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479205236] [2021-08-22 15:02:04,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-22 15:02:04,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:02:04,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-22 15:02:04,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-08-22 15:02:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:04,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:02:04,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 22 states have internal predecessors, (72), 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) [2021-08-22 15:02:04,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:04,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:04,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:05,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-22 15:02:05,539 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 [2021-08-22 15:02:05,539 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:05,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:05,539 INFO L82 PathProgramCache]: Analyzing trace with hash -731799413, now seen corresponding path program 17 times [2021-08-22 15:02:05,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:05,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625419571] [2021-08-22 15:02:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:05,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:02:07,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:07,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625419571] [2021-08-22 15:02:07,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625419571] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:07,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833026005] [2021-08-22 15:02:07,208 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 15:02:07,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:07,209 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 15:02:07,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-22 15:02:08,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-22 15:02:08,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:02:08,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 122 conjunts are in the unsatisfiable core [2021-08-22 15:02:08,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:09,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:02:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 15:02:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 15:02:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 15:02:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:09,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 15:02:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 15:02:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 15:02:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 15:02:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 15:02:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:10,997 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 180 treesize of output 104 [2021-08-22 15:02:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:11,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 101 [2021-08-22 15:02:12,566 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 [2021-08-22 15:02:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:02:12,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833026005] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:12,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:02:12,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 69 [2021-08-22 15:02:12,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258692513] [2021-08-22 15:02:12,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-22 15:02:12,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:02:12,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-22 15:02:12,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4549, Unknown=0, NotChecked=0, Total=4830 [2021-08-22 15:02:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:12,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:02:12,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.357142857142857) internal successors, (165), 69 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:12,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:12,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:17,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-22 15:02:17,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-22 15:02:17,743 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:17,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1124685113, now seen corresponding path program 18 times [2021-08-22 15:02:17,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:17,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285127636] [2021-08-22 15:02:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:17,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 15:02:18,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:18,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285127636] [2021-08-22 15:02:18,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285127636] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:18,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246544413] [2021-08-22 15:02:18,005 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 15:02:18,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:18,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:18,006 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 15:02:18,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-22 15:02:19,244 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-22 15:02:19,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:02:19,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-22 15:02:19,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 100 proven. 166 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 15:02:19,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246544413] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:19,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:02:19,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-08-22 15:02:19,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572096573] [2021-08-22 15:02:19,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-22 15:02:19,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:02:19,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-22 15:02:19,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2021-08-22 15:02:19,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:19,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:02:19,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 34 states have internal predecessors, (102), 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) [2021-08-22 15:02:19,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:19,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 15:02:21,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-22 15:02:21,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:21,287 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1195526605, now seen corresponding path program 19 times [2021-08-22 15:02:21,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:21,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590784031] [2021-08-22 15:02:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:21,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 64 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:02:23,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:23,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590784031] [2021-08-22 15:02:23,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590784031] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:23,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581770241] [2021-08-22 15:02:23,240 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 15:02:23,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:23,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:23,241 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 15:02:23,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-22 15:02:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:24,515 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-22 15:02:24,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:25,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:02:25,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 15:02:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 15:02:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-08-22 15:02:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2021-08-22 15:02:26,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2021-08-22 15:02:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-08-22 15:02:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:26,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 102 [2021-08-22 15:02:27,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 106 [2021-08-22 15:02:27,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2021-08-22 15:02:27,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 166 [2021-08-22 15:02:27,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2021-08-22 15:02:29,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-08-22 15:02:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:02:29,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581770241] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:29,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:02:29,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 73 [2021-08-22 15:02:29,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873060630] [2021-08-22 15:02:29,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-22 15:02:29,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:02:29,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-22 15:02:29,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=4962, Unknown=0, NotChecked=0, Total=5402 [2021-08-22 15:02:29,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:29,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:02:29,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.418918918918919) internal successors, (179), 73 states have internal predecessors, (179), 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) [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 15:02:29,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 15:02:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 15:02:33,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-08-22 15:02:33,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:33,761 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:33,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:33,761 INFO L82 PathProgramCache]: Analyzing trace with hash -4886409, now seen corresponding path program 20 times [2021-08-22 15:02:33,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:33,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814105081] [2021-08-22 15:02:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:33,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 15:02:34,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:34,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814105081] [2021-08-22 15:02:34,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814105081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:34,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188127335] [2021-08-22 15:02:34,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 15:02:34,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:34,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:34,053 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 15:02:34,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-22 15:02:35,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 15:02:35,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:02:35,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-22 15:02:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 199 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 15:02:35,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188127335] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:35,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 15:02:35,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-08-22 15:02:35,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635791480] [2021-08-22 15:02:35,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-22 15:02:35,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 15:02:35,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-22 15:02:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-22 15:02:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:35,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 15:02:35,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.037037037037037) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:35,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 15:02:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 15:02:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 15:02:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 15:02:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 15:02:36,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-22 15:02:36,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:36,625 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 15:02:36,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 15:02:36,626 INFO L82 PathProgramCache]: Analyzing trace with hash -283323773, now seen corresponding path program 21 times [2021-08-22 15:02:36,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 15:02:36,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773166309] [2021-08-22 15:02:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 15:02:36,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 15:02:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 15:02:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 15:02:38,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 15:02:38,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773166309] [2021-08-22 15:02:38,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773166309] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 15:02:38,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323399496] [2021-08-22 15:02:38,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 15:02:38,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:02:38,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 15:02:38,896 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 15:02:38,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-22 15:02:40,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-22 15:02:40,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 15:02:40,449 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-22 15:02:40,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 15:02:41,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 15:02:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 15:02:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 15:02:42,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 15:02:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:42,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 15:02:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 15:02:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,467 INFO L354 Elim1Store]: treesize reduction 174, result has 19.1 percent of original size [2021-08-22 15:02:43,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 15:02:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:43,798 INFO L354 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2021-08-22 15:02:43,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 15:02:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,198 INFO L354 Elim1Store]: treesize reduction 386, result has 12.5 percent of original size [2021-08-22 15:02:44,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 15:02:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,655 INFO L354 Elim1Store]: treesize reduction 510, result has 10.8 percent of original size [2021-08-22 15:02:44,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 128 treesize of output 154 [2021-08-22 15:02:44,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,157 INFO L354 Elim1Store]: treesize reduction 646, result has 9.7 percent of original size [2021-08-22 15:02:45,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 141 treesize of output 170 [2021-08-22 15:02:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:45,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,740 INFO L354 Elim1Store]: treesize reduction 828, result has 41.6 percent of original size [2021-08-22 15:02:49,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 30 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 222 treesize of output 722 [2021-08-22 15:02:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 15:02:49,952 INFO L354 Elim1Store]: treesize reduction 500, result has 7.6 percent of original size [2021-08-22 15:02:49,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1583 treesize of output 1209 Received shutdown request... [2021-08-22 15:14:21,432 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 15:14:21,438 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 15:14:21,438 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 [2021-08-22 15:14:21,438 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 [2021-08-22 15:14:21,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-22 15:14:21,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 15:14:21,633 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 1074 of 2048 xjuncts. [2021-08-22 15:14:21,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 15:14:21,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 15:14:21,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 15:14:21,640 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 15:14:21,640 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 15:14:21,641 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:14:21 BasicIcfg [2021-08-22 15:14:21,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 15:14:21,642 INFO L168 Benchmark]: Toolchain (without parser) took 842362.22 ms. Allocated memory was 187.7 MB in the beginning and 676.3 MB in the end (delta: 488.6 MB). Free memory was 167.0 MB in the beginning and 435.3 MB in the end (delta: -268.3 MB). Peak memory consumption was 589.3 MB. Max. memory is 8.0 GB. [2021-08-22 15:14:21,642 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 15:14:21,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.70 ms. Allocated memory is still 187.7 MB. Free memory was 167.0 MB in the beginning and 165.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 15:14:21,642 INFO L168 Benchmark]: Boogie Preprocessor took 11.45 ms. Allocated memory is still 187.7 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 15:14:21,643 INFO L168 Benchmark]: RCFGBuilder took 231.46 ms. Allocated memory is still 187.7 MB. Free memory was 164.5 MB in the beginning and 151.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 15:14:21,643 INFO L168 Benchmark]: TraceAbstraction took 842094.82 ms. Allocated memory was 187.7 MB in the beginning and 676.3 MB in the end (delta: 488.6 MB). Free memory was 150.7 MB in the beginning and 435.3 MB in the end (delta: -284.6 MB). Peak memory consumption was 573.6 MB. Max. memory is 8.0 GB. [2021-08-22 15:14:21,643 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 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.70 ms. Allocated memory is still 187.7 MB. Free memory was 167.0 MB in the beginning and 165.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.45 ms. Allocated memory is still 187.7 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 231.46 ms. Allocated memory is still 187.7 MB. Free memory was 164.5 MB in the beginning and 151.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 842094.82 ms. Allocated memory was 187.7 MB in the beginning and 676.3 MB in the end (delta: 488.6 MB). Free memory was 150.7 MB in the beginning and 435.3 MB in the end (delta: -284.6 MB). Peak memory consumption was 573.6 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: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 336, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 299, unknown conditional: 0, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 295, Positive conditional cache size: 0, Positive unconditional cache size: 295, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 94, Number of persistent set computation: 24, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 336, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 299, unknown conditional: 0, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 295, Positive conditional cache size: 0, Positive unconditional cache size: 295, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 1074 of 2048 xjuncts. - TimeoutResultAtElement [Line: 61]: 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 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 1074 of 2048 xjuncts. - TimeoutResultAtElement [Line: 62]: 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 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 1074 of 2048 xjuncts. - TimeoutResultAtElement [Line: 61]: 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 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 1074 of 2048 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 842018.7ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 28631.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 528, 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: 139.9ms SsaConstructionTime, 795.6ms SatisfiabilityAnalysisTime, 92067.2ms InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 2454 ConstructedInterpolants, 61 QuantifiedInterpolants, 74445 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 916 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 2467/7368 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