/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 21:08:04,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 21:08:04,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 21:08:04,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 21:08:04,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 21:08:04,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 21:08:04,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 21:08:04,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 21:08:04,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 21:08:04,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 21:08:04,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 21:08:04,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 21:08:04,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 21:08:04,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 21:08:04,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 21:08:04,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 21:08:04,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 21:08:04,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 21:08:04,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 21:08:04,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 21:08:04,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 21:08:04,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 21:08:04,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 21:08:04,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 21:08:04,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 21:08:04,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 21:08:04,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 21:08:04,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 21:08:04,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 21:08:04,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 21:08:04,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 21:08:04,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 21:08:04,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 21:08:04,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 21:08:04,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 21:08:04,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 21:08:04,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 21:08:04,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 21:08:04,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 21:08:04,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 21:08:04,306 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 21:08:04,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 21:08:04,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 21:08:04,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 21:08:04,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 21:08:04,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 21:08:04,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 21:08:04,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 21:08:04,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 21:08:04,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 21:08:04,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 21:08:04,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 21:08:04,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 21:08:04,309 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 21:08:04,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 21:08:04,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 21:08:04,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 21:08:04,501 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-15 21:08:04,515 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-15 21:08:04,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl [2022-03-15 21:08:04,516 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl' [2022-03-15 21:08:04,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 21:08:04,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-15 21:08:04,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 21:08:04,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 21:08:04,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 21:08:04,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,564 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-15 21:08:04,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 21:08:04,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 21:08:04,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 21:08:04,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 21:08:04,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 21:08:04,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 21:08:04,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 21:08:04,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 21:08:04,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/1) ... [2022-03-15 21:08:04,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 21:08:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 21:08:04,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 21:08:04,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 21:08:04,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-15 21:08:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 21:08:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 21:08:04,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-15 21:08:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 21:08:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 21:08:04,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-15 21:08:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 21:08:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 21:08:04,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-15 21:08:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 21:08:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 21:08:04,634 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 21:08:04,673 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 21:08:04,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 21:08:04,810 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 21:08:04,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 21:08:04,907 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-15 21:08:04,909 INFO L202 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 09:08:04 BoogieIcfgContainer [2022-03-15 21:08:04,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 21:08:04,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 21:08:04,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 21:08:04,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 21:08:04,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 09:08:04" (1/2) ... [2022-03-15 21:08:04,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659fd505 and model type nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 09:08:04, skipping insertion in model container [2022-03-15 21:08:04,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 09:08:04" (2/2) ... [2022-03-15 21:08:04,939 INFO L111 eAbstractionObserver]: Analyzing ICFG nzb-file-trans.wvr.bpl [2022-03-15 21:08:04,942 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 21:08:04,942 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 21:08:04,942 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 21:08:04,942 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 21:08:05,002 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 21:08:05,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 21:08:05,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 21:08:05,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 21:08:05,048 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 21:08:05,054 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 28 transitions, 80 flow [2022-03-15 21:08:05,056 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 80 flow [2022-03-15 21:08:05,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 80 flow [2022-03-15 21:08:05,083 INFO L129 PetriNetUnfolder]: 6/25 cut-off events. [2022-03-15 21:08:05,083 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-03-15 21:08:05,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 25 events. 6/25 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2022-03-15 21:08:05,087 INFO L116 LiptonReduction]: Number of co-enabled transitions 210 [2022-03-15 21:08:05,299 INFO L131 LiptonReduction]: Checked pairs total: 72 [2022-03-15 21:08:05,299 INFO L133 LiptonReduction]: Total number of compositions: 9 [2022-03-15 21:08:05,310 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 23 transitions, 70 flow [2022-03-15 21:08:05,325 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54 states, 53 states have (on average 3.6037735849056602) internal successors, (191), 53 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 53 states have (on average 3.6037735849056602) internal successors, (191), 53 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 21:08:05,330 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:05,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:05,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:05,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 808440543, now seen corresponding path program 1 times [2022-03-15 21:08:05,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:05,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862925713] [2022-03-15 21:08:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:05,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:08:05,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:05,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862925713] [2022-03-15 21:08:05,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862925713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:05,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:05,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 21:08:05,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1520669849] [2022-03-15 21:08:05,633 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:05,635 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:05,646 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 37 transitions. [2022-03-15 21:08:05,646 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:07,271 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [148#(and (or (not is_null_5) (<= (+ result_15 get_subject_3) (+ result_18 get_subject_7)) (not is_null_1) (= (+ result_15 995) 0) (= (+ get_subject_3 (* (- 1) get_subject_7) 995) 0) (= result_18 result_15)) (or (not is_null_1) (= (+ result_15 995) 0) is_null_5 (<= (+ result_15 1005) result_18) (= result_15 1005)) (or (not is_null_1) (= (+ result_15 995) 0) is_null_5 (= result_18 result_15) (<= (+ result_15 1005) result_18)) (or (not is_null_5) (<= (+ result_15 get_subject_3) (+ result_18 get_subject_7)) (not is_null_1) (= (+ result_15 995) 0) (= (+ get_subject_3 (* (- 1) get_subject_7) 995) 0) (= result_15 1005))), 149#(and (or (not is_null_5) (not is_null_1) (= (+ result_15 995) 0) (not is_null_9) (<= (+ result_15 get_subject_11) get_subject_7)) (or (not is_null_1) (= (+ result_15 995) 0) is_null_9 (= result_15 1005)) (or (<= (+ result_15 get_subject_11 1005) get_subject_3) (not is_null_1) (= (+ result_15 995) 0) (not is_null_9) is_null_5)), 151#(and (or (not is_null_5) (not is_null_1) (not is_null_9) (= (+ get_subject_3 (* (- 1) get_subject_7) 995) 0) (<= get_subject_3 (+ result_18 get_subject_11)) (= 1005 (+ (* (- 1) get_subject_11) get_subject_7)) (= (+ (* (- 1) get_subject_11) get_subject_7 995) 0)) (or (not is_null_5) (not is_null_1) (= (+ get_subject_3 (* (- 1) get_subject_7) 995) 0) is_null_9 (<= (+ 1005 get_subject_3) (+ result_18 get_subject_7)) (= result_18 1005)) (or (= result_18 (+ (* (- 1) get_subject_11) get_subject_7)) (not is_null_5) (not is_null_1) (not is_null_9) (= (+ get_subject_3 (* (- 1) get_subject_7) 995) 0) (<= get_subject_3 (+ result_18 get_subject_11)) (= (+ (* (- 1) get_subject_11) get_subject_7 995) 0))), 150#(and (or (not is_null_5) (<= (+ result_12 get_subject_7) (+ result_18 get_subject_11)) (not is_null_9) (= 1005 (+ (* (- 1) get_subject_11) get_subject_7)) (= (+ (* (- 1) get_subject_11) get_subject_7 995) 0) (= (+ result_12 995) 0)) (or (= result_18 (+ (* (- 1) get_subject_11) get_subject_7)) (not is_null_5) (<= (+ result_12 get_subject_7) (+ result_18 get_subject_11)) (not is_null_9) (= (+ (* (- 1) get_subject_11) get_subject_7 995) 0) (= (+ result_12 995) 0)) (or (not is_null_5) (<= (+ result_12 1005) result_18) is_null_9 (= (+ result_12 995) 0) (= result_18 1005)))] [2022-03-15 21:08:07,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 21:08:07,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:07,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 21:08:07,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-15 21:08:07,301 INFO L87 Difference]: Start difference. First operand has 54 states, 53 states have (on average 3.6037735849056602) internal successors, (191), 53 states have internal predecessors, (191), 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) Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:08,666 INFO L93 Difference]: Finished difference Result 288 states and 928 transitions. [2022-03-15 21:08:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 21:08:08,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 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) Word has length 10 [2022-03-15 21:08:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:08,676 INFO L225 Difference]: With dead ends: 288 [2022-03-15 21:08:08,676 INFO L226 Difference]: Without dead ends: 284 [2022-03-15 21:08:08,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-15 21:08:08,690 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 122 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:08,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 0 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 21:08:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-03-15 21:08:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 68. [2022-03-15 21:08:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 3.3582089552238807) internal successors, (225), 67 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 225 transitions. [2022-03-15 21:08:08,740 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 225 transitions. Word has length 10 [2022-03-15 21:08:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:08,741 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 225 transitions. [2022-03-15 21:08:08,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 225 transitions. [2022-03-15 21:08:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 21:08:08,742 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:08,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:08,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 21:08:08,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:08,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1305838868, now seen corresponding path program 1 times [2022-03-15 21:08:08,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:08,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445066791] [2022-03-15 21:08:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:08:08,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:08,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445066791] [2022-03-15 21:08:08,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445066791] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:08,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:08,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 21:08:08,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1145097509] [2022-03-15 21:08:08,767 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:08,768 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:08,770 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 55 transitions. [2022-03-15 21:08:08,770 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:08,969 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [602#(and (< i_16 5) (not break_17))] [2022-03-15 21:08:08,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 21:08:08,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 21:08:08,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 21:08:08,971 INFO L87 Difference]: Start difference. First operand 68 states and 225 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:09,009 INFO L93 Difference]: Finished difference Result 83 states and 278 transitions. [2022-03-15 21:08:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 21:08:09,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 11 [2022-03-15 21:08:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:09,011 INFO L225 Difference]: With dead ends: 83 [2022-03-15 21:08:09,011 INFO L226 Difference]: Without dead ends: 83 [2022-03-15 21:08:09,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 21:08:09,012 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:09,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 21:08:09,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-03-15 21:08:09,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-03-15 21:08:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 3.3902439024390243) internal successors, (278), 82 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 278 transitions. [2022-03-15 21:08:09,021 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 278 transitions. Word has length 11 [2022-03-15 21:08:09,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:09,021 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 278 transitions. [2022-03-15 21:08:09,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 278 transitions. [2022-03-15 21:08:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 21:08:09,022 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:09,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:09,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 21:08:09,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:09,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:09,023 INFO L85 PathProgramCache]: Analyzing trace with hash -708647521, now seen corresponding path program 1 times [2022-03-15 21:08:09,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:09,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954923891] [2022-03-15 21:08:09,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:09,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:08:09,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:09,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954923891] [2022-03-15 21:08:09,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954923891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:09,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:09,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 21:08:09,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667047646] [2022-03-15 21:08:09,045 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:09,046 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:09,048 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 52 transitions. [2022-03-15 21:08:09,048 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:09,241 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 21:08:09,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 21:08:09,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:09,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 21:08:09,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 21:08:09,242 INFO L87 Difference]: Start difference. First operand 83 states and 278 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:09,274 INFO L93 Difference]: Finished difference Result 100 states and 336 transitions. [2022-03-15 21:08:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 21:08:09,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 11 [2022-03-15 21:08:09,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:09,276 INFO L225 Difference]: With dead ends: 100 [2022-03-15 21:08:09,276 INFO L226 Difference]: Without dead ends: 100 [2022-03-15 21:08:09,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 21:08:09,277 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:09,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 21:08:09,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-03-15 21:08:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-03-15 21:08:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 3.393939393939394) internal successors, (336), 99 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 336 transitions. [2022-03-15 21:08:09,284 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 336 transitions. Word has length 11 [2022-03-15 21:08:09,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:09,284 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 336 transitions. [2022-03-15 21:08:09,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 336 transitions. [2022-03-15 21:08:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 21:08:09,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:09,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:09,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 21:08:09,286 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:09,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:09,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1571782327, now seen corresponding path program 1 times [2022-03-15 21:08:09,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:09,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803265499] [2022-03-15 21:08:09,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:09,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:08:09,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:09,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803265499] [2022-03-15 21:08:09,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803265499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:09,309 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:09,309 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 21:08:09,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1752670791] [2022-03-15 21:08:09,311 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:09,312 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:09,314 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 52 transitions. [2022-03-15 21:08:09,314 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:09,452 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1158#(and (< i_13 5) (not break_14))] [2022-03-15 21:08:09,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 21:08:09,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:09,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 21:08:09,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 21:08:09,453 INFO L87 Difference]: Start difference. First operand 100 states and 336 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2022-03-15 21:08:09,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:09,500 INFO L93 Difference]: Finished difference Result 121 states and 407 transitions. [2022-03-15 21:08:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 21:08:09,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) Word has length 11 [2022-03-15 21:08:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:09,502 INFO L225 Difference]: With dead ends: 121 [2022-03-15 21:08:09,502 INFO L226 Difference]: Without dead ends: 121 [2022-03-15 21:08:09,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 21:08:09,509 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:09,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 21:08:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-03-15 21:08:09,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2022-03-15 21:08:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 3.3916666666666666) internal successors, (407), 120 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 407 transitions. [2022-03-15 21:08:09,537 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 407 transitions. Word has length 11 [2022-03-15 21:08:09,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:09,537 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 407 transitions. [2022-03-15 21:08:09,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2022-03-15 21:08:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 407 transitions. [2022-03-15 21:08:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 21:08:09,538 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:09,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:09,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 21:08:09,538 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1985492731, now seen corresponding path program 1 times [2022-03-15 21:08:09,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:09,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263353160] [2022-03-15 21:08:09,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:09,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:09,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:09,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263353160] [2022-03-15 21:08:09,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263353160] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:09,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:09,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 21:08:09,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1106046346] [2022-03-15 21:08:09,596 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:09,597 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:09,600 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 73 transitions. [2022-03-15 21:08:09,600 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:11,839 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [1527#(and (not is_null_5) (or (not is_null_1) (= result_18 1005))), 1530#(or (not is_null_1) is_null_5 is_null_9 (= result_18 1005)), 1528#(and (not is_null_5) (or (not is_null_1) (not is_null_9))), 1529#(and (or (= (+ result_12 (* (- 1) result_18)) 0) is_null_5 is_null_9) (or is_null_5 is_null_9 (= (+ result_12 (- 1005)) 0)))] [2022-03-15 21:08:11,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 21:08:11,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:11,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 21:08:11,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-03-15 21:08:11,840 INFO L87 Difference]: Start difference. First operand 121 states and 407 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:12,107 INFO L93 Difference]: Finished difference Result 261 states and 741 transitions. [2022-03-15 21:08:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 21:08:12,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 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) Word has length 12 [2022-03-15 21:08:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:12,109 INFO L225 Difference]: With dead ends: 261 [2022-03-15 21:08:12,109 INFO L226 Difference]: Without dead ends: 241 [2022-03-15 21:08:12,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-03-15 21:08:12,109 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 88 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:12,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 0 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 21:08:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-03-15 21:08:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 121. [2022-03-15 21:08:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 3.308333333333333) internal successors, (397), 120 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 397 transitions. [2022-03-15 21:08:12,117 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 397 transitions. Word has length 12 [2022-03-15 21:08:12,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:12,117 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 397 transitions. [2022-03-15 21:08:12,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 397 transitions. [2022-03-15 21:08:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 21:08:12,117 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:12,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:12,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 21:08:12,118 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:12,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash -493677667, now seen corresponding path program 1 times [2022-03-15 21:08:12,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:12,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154147960] [2022-03-15 21:08:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:12,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:12,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154147960] [2022-03-15 21:08:12,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154147960] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:12,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:12,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 21:08:12,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1876282700] [2022-03-15 21:08:12,167 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:12,168 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:12,170 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 67 transitions. [2022-03-15 21:08:12,170 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:13,363 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [2055#(and (or (not is_null_9) (= (+ result_12 995) 0)) (or (not is_null_5) (= (+ result_12 995) 0))), 2056#(not is_null_1), 2057#(and (or (not is_null_1) (not is_null_9)) (or (not is_null_5) (not is_null_1)))] [2022-03-15 21:08:13,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 21:08:13,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 21:08:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-03-15 21:08:13,364 INFO L87 Difference]: Start difference. First operand 121 states and 397 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:13,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:13,597 INFO L93 Difference]: Finished difference Result 238 states and 713 transitions. [2022-03-15 21:08:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 21:08:13,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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) Word has length 12 [2022-03-15 21:08:13,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:13,599 INFO L225 Difference]: With dead ends: 238 [2022-03-15 21:08:13,599 INFO L226 Difference]: Without dead ends: 202 [2022-03-15 21:08:13,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-03-15 21:08:13,599 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:13,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 0 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 21:08:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-03-15 21:08:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 119. [2022-03-15 21:08:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 3.2033898305084745) internal successors, (378), 118 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 378 transitions. [2022-03-15 21:08:13,606 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 378 transitions. Word has length 12 [2022-03-15 21:08:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:13,606 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 378 transitions. [2022-03-15 21:08:13,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 378 transitions. [2022-03-15 21:08:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 21:08:13,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:13,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:13,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 21:08:13,607 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1557693021, now seen corresponding path program 1 times [2022-03-15 21:08:13,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:13,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171502335] [2022-03-15 21:08:13,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:13,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:13,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:13,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171502335] [2022-03-15 21:08:13,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171502335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:13,625 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:13,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 21:08:13,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1644855371] [2022-03-15 21:08:13,625 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:13,626 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:13,628 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 67 transitions. [2022-03-15 21:08:13,628 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:14,743 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2561#(or (= (+ result_15 995) 0) is_null_5)] [2022-03-15 21:08:14,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 21:08:14,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:14,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 21:08:14,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 21:08:14,744 INFO L87 Difference]: Start difference. First operand 119 states and 378 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:14,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:14,815 INFO L93 Difference]: Finished difference Result 148 states and 441 transitions. [2022-03-15 21:08:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 21:08:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) Word has length 12 [2022-03-15 21:08:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:14,816 INFO L225 Difference]: With dead ends: 148 [2022-03-15 21:08:14,816 INFO L226 Difference]: Without dead ends: 117 [2022-03-15 21:08:14,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 21:08:14,817 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 23 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:14,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 0 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 21:08:14,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-03-15 21:08:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-03-15 21:08:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 3.0086206896551726) internal successors, (349), 116 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 349 transitions. [2022-03-15 21:08:14,820 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 349 transitions. Word has length 12 [2022-03-15 21:08:14,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:14,820 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 349 transitions. [2022-03-15 21:08:14,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 349 transitions. [2022-03-15 21:08:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 21:08:14,821 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:14,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:14,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 21:08:14,821 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:14,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1125433239, now seen corresponding path program 1 times [2022-03-15 21:08:14,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:14,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995168855] [2022-03-15 21:08:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:14,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:14,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:14,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995168855] [2022-03-15 21:08:14,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995168855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 21:08:14,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 21:08:14,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 21:08:14,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1546916591] [2022-03-15 21:08:14,847 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:14,848 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:14,852 INFO L252 McrAutomatonBuilder]: Finished intersection with 65 states and 135 transitions. [2022-03-15 21:08:14,852 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:18,595 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [2955#(or is_null_1 is_null_9), 2952#(or (not is_null_9) is_null_1), 2951#is_null_1, 2954#(or (not is_null_1) is_null_9), 2953#is_null_9] [2022-03-15 21:08:18,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 21:08:18,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 21:08:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-03-15 21:08:18,596 INFO L87 Difference]: Start difference. First operand 117 states and 349 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:18,649 INFO L93 Difference]: Finished difference Result 125 states and 345 transitions. [2022-03-15 21:08:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 21:08:18,650 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 21:08:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:18,650 INFO L225 Difference]: With dead ends: 125 [2022-03-15 21:08:18,651 INFO L226 Difference]: Without dead ends: 117 [2022-03-15 21:08:18,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 21:08:18,651 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:18,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 21:08:18,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-03-15 21:08:18,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2022-03-15 21:08:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 2.8962264150943398) internal successors, (307), 106 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 307 transitions. [2022-03-15 21:08:18,654 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 307 transitions. Word has length 14 [2022-03-15 21:08:18,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:18,654 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 307 transitions. [2022-03-15 21:08:18,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 307 transitions. [2022-03-15 21:08:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 21:08:18,655 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:18,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:18,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 21:08:18,655 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:18,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:18,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2116312777, now seen corresponding path program 1 times [2022-03-15 21:08:18,656 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:18,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917500253] [2022-03-15 21:08:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:18,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:18,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:18,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917500253] [2022-03-15 21:08:18,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917500253] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 21:08:18,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558869169] [2022-03-15 21:08:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:18,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:08:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 21:08:18,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 21:08:18,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 21:08:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:18,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-15 21:08:18,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 21:08:19,038 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 224 [2022-03-15 21:08:19,425 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 232 [2022-03-15 21:08:19,429 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 216 [2022-03-15 21:08:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:19,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 21:08:19,788 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 195 [2022-03-15 21:08:20,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 275 [2022-03-15 21:08:20,274 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 21:08:20,274 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 282 treesize of output 248 [2022-03-15 21:08:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:20,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558869169] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 21:08:20,518 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 21:08:20,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2022-03-15 21:08:20,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [97424894] [2022-03-15 21:08:20,518 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:20,519 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:20,527 INFO L252 McrAutomatonBuilder]: Finished intersection with 107 states and 241 transitions. [2022-03-15 21:08:20,527 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:20,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:20,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:21,499 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:21,514 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:23,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:23,914 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:24,276 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:24,643 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:25,105 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:25,117 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:25,653 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:25,668 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:26,235 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:26,815 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:27,592 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:27,605 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,063 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,078 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,710 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,715 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,728 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:28,751 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,060 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,066 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,481 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,487 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,736 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:29,745 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,305 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,313 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,330 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,336 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,960 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,968 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:30,988 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:31,001 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:31,467 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:31,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:31,500 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:31,505 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:31,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:32,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:32,420 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:32,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:32,456 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:33,557 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:33,575 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:33,583 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:33,593 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:34,542 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:34,569 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:34,576 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:34,587 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:35,654 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:35,660 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:35,682 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:35,701 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:35,708 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:35,726 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:35,734 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:35,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:35,764 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:36,745 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:37,103 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:37,652 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,018 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,024 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,377 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,390 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,849 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:38,860 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:39,906 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:39,916 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:40,292 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:40,302 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:42,441 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 19 new interpolants: [3407#(and (or (< i_16 5) break_17 (not break_14) (<= result_12 0)) (or (not break_17) (not break_14) (<= result_12 0) (<= result_15 0)) (or (< i_13 5) (< i_16 5) break_14 break_17) (or (< i_13 5) break_14 (not break_17) (<= result_15 0))), 3408#(and (or (< i_13 4) (<= 5 i_13) break_14 (not break_17) (<= result_15 0)) (or (< i_13 4) (<= 5 i_13) (< i_16 5) break_14 break_17) (or (not (< i_13 5)) break_14 (not break_17) (<= (+ i_13 1000) 0) (<= result_15 0) (not (select ends_with_6 i_13))) (or (not (< i_13 5)) (< i_16 5) break_14 break_17 (<= (+ i_13 1000) 0) (not (select ends_with_6 i_13)))), 3421#(and (or (<= 5 i_13) (select ends_with_6 0) break_14 (<= (+ i_13 1000) 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (<= 5 i_13) (select ends_with_6 0) break_14)), 3409#(and (or (< i_13 5) break_14 (<= result_15 0)) (or (not break_14) (<= result_12 0) (<= result_15 0)) (or (<= i_16 1) (< i_13 5)) (or (<= i_16 1) (not break_14))), 3420#(and (or (not break_17) (not (select ends_with_6 0))) (= i_16 0)), 3419#(or (select ends_with_6 i_16) (<= 5 i_16) break_17 (<= (+ i_16 1000) 0) (not (select ends_with_6 0))), 3410#(or (select ends_with_6 i_16) (not (< i_16 5)) break_17 (<= (+ i_16 1000) 0) (<= result_12 0)), 3405#(and (or (not (< i_13 5)) break_14 (<= (+ i_13 1000) 0) (<= result_15 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (<= 5 i_13) break_14 (<= result_15 0))), 3413#(and (or (not (< i_13 5)) break_14 (<= (+ i_13 1000) 0) (<= result_15 0) (not (select ends_with_6 i_13))) (or (<= i_16 1) (not (< i_13 5)) break_14) (or (< i_13 4) (not (< i_13 5)) break_14 (<= result_15 0))), 3416#(or (not (select ends_with_6 0)) (<= result_15 0)), 3414#(and (or (not (< i_13 5)) (select ends_with_6 i_16) (not (< i_16 5)) break_14 break_17 (<= (+ i_16 1000) 0) (<= (+ i_13 1000) 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_6 i_16) (not (< i_16 5)) break_14 break_17 (<= (+ i_16 1000) 0))), 3415#(and (or (not (< i_13 5)) break_14 (not break_17) (<= (+ i_13 1000) 0) (not (select ends_with_6 i_13))) (or (not (< i_13 5)) break_14 (= i_16 0)) (or (< i_13 4) (not (< i_13 5)) break_14 (not break_17)) (or (not (< i_13 5)) (select ends_with_6 i_16) break_14 (<= (+ i_13 1000) 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_6 i_16) break_14)), 3417#(and (or (not break_17) (not (select ends_with_6 0)) (<= result_15 0)) (or (< i_16 5) break_17 (not (select ends_with_6 0)))), 3418#(and (<= i_16 1) (or (not (select ends_with_6 0)) (<= result_15 0))), 3406#(and (or (not break_17) (<= result_12 0) (<= result_15 0)) (or (< i_16 5) break_17 (<= result_12 0))), 3404#(and (or (< i_13 5) break_14 (<= result_15 0)) (or (not break_14) (<= result_12 0) (<= result_15 0))), 3411#(and (or (select ends_with_6 i_16) (not (< i_16 5)) break_17 (<= (+ i_16 1000) 0) (not break_14) (<= result_12 0)) (or (< i_13 5) (select ends_with_6 i_16) (not (< i_16 5)) break_14 break_17 (<= (+ i_16 1000) 0))), 3396#(or (and break_14 (<= result_12 0)) (select ends_with_6 0) (and (< i_13 5) (not break_14))), 3412#(and (or (< i_13 5) (= i_16 0)) (or (< i_13 5) break_14 (not break_17)) (or (not break_17) (not break_14) (<= result_12 0)) (or (select ends_with_6 i_16) (not break_14) (<= result_12 0)) (or (< i_13 5) (select ends_with_6 i_16) break_14) (or (not break_14) (= i_16 0)))] [2022-03-15 21:08:42,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 21:08:42,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:08:42,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 21:08:42,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1059, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 21:08:42,443 INFO L87 Difference]: Start difference. First operand 107 states and 307 transitions. Second operand has 27 states, 26 states have (on average 4.730769230769231) internal successors, (123), 27 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) [2022-03-15 21:08:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:08:48,103 INFO L93 Difference]: Finished difference Result 744 states and 1914 transitions. [2022-03-15 21:08:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 21:08:48,103 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.730769230769231) internal successors, (123), 27 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) Word has length 16 [2022-03-15 21:08:48,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:08:48,106 INFO L225 Difference]: With dead ends: 744 [2022-03-15 21:08:48,106 INFO L226 Difference]: Without dead ends: 674 [2022-03-15 21:08:48,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 142 SyntacticMatches, 17 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3507 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1512, Invalid=8388, Unknown=0, NotChecked=0, Total=9900 [2022-03-15 21:08:48,108 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 673 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 21:08:48,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 0 Invalid, 1854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 21:08:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-03-15 21:08:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 186. [2022-03-15 21:08:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 3.0648648648648646) internal successors, (567), 185 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:08:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 567 transitions. [2022-03-15 21:08:48,116 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 567 transitions. Word has length 16 [2022-03-15 21:08:48,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:08:48,116 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 567 transitions. [2022-03-15 21:08:48,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.730769230769231) internal successors, (123), 27 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) [2022-03-15 21:08:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 567 transitions. [2022-03-15 21:08:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 21:08:48,117 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:08:48,117 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:08:48,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 21:08:48,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:08:48,320 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:08:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:08:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash -213046109, now seen corresponding path program 2 times [2022-03-15 21:08:48,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:08:48,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780683203] [2022-03-15 21:08:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:08:48,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:08:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:08:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:08:48,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:08:48,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780683203] [2022-03-15 21:08:48,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780683203] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 21:08:48,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890572752] [2022-03-15 21:08:48,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 21:08:48,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:08:48,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 21:08:48,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 21:08:48,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 21:08:48,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 21:08:48,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 21:08:48,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-15 21:08:48,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 21:08:48,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-03-15 21:08:48,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2022-03-15 21:08:48,545 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:48,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 21:08:48,712 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 184 [2022-03-15 21:08:49,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:49,071 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-15 21:08:49,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8 treesize of output 7 [2022-03-15 21:08:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:08:49,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890572752] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 21:08:49,079 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 21:08:49,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2022-03-15 21:08:49,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [318921928] [2022-03-15 21:08:49,079 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:08:49,080 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:08:49,091 INFO L252 McrAutomatonBuilder]: Finished intersection with 128 states and 294 transitions. [2022-03-15 21:08:49,091 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:08:50,614 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:50,623 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:50,635 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:52,486 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:52,497 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:52,509 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:53,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:53,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:53,678 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:53,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:53,985 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:54,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:54,347 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:54,800 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:54,860 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:55,140 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:55,384 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:55,430 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:55,855 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:55,860 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:56,143 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:56,177 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:57,013 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:57,034 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:57,549 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:57,578 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:58,016 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:58,021 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:58,291 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:58,311 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:59,235 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:08:59,244 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:59,280 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:08:59,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:59,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:08:59,307 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,322 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,328 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,369 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,376 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,391 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,404 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:00,412 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,834 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,848 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,861 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,869 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,890 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:01,898 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:02,811 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:02,816 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:02,849 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:02,857 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:02,861 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:03,396 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:03,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:03,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:03,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:03,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:03,442 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,090 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,102 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,114 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,127 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,133 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,162 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,165 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,985 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:04,993 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,010 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,025 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,043 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,057 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,663 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,672 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,682 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,692 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,722 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:05,726 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:06,409 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:06,652 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:07,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:07,185 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:07,255 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:07,330 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:07,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:07,765 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,026 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,088 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,373 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,384 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,392 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,872 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,884 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:08,894 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:10,044 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:10,060 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:10,065 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:10,492 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:10,503 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:11,852 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 34 new interpolants: [4863#(and (or (select ends_with_2 i_13) (<= 4 i_13) break_14 (not break_20)) (or (select ends_with_2 i_13) (<= 4 i_13) break_14 (<= i_19 0)) (or (select ends_with_2 i_13) (<= 4 i_13) break_14 (not (select ends_with_2 i_19))) (or (select ends_with_2 i_13) (<= 4 i_13) break_14 (<= 0 i_19))), 4868#(and (or (not (< i_13 5)) break_14 (not (select ends_with_2 0))) (or (not (< i_13 5)) break_14 (= i_16 0))), 4867#(or (<= 5 i_13) break_14 (not (select ends_with_2 0))), 4861#(and (or (< i_13 5) (<= 5 i_16) (not (select ends_with_2 i_19))) (or (<= 5 i_16) (not break_14) (<= 0 i_19)) (or (<= 5 i_16) (not (select ends_with_2 i_19)) (not break_14)) (or (<= 5 i_16) (not break_14) (not break_20)) (or (< i_13 5) (<= 5 i_16) (<= 0 i_19)) (or (<= 5 i_16) (not break_14) (<= i_19 0)) (or (< i_13 5) (<= 5 i_16) (not break_20)) (or (< i_13 5) (<= 5 i_16) (<= i_19 0))), 4872#(or (<= 1 result_18) (<= 5 i_16) (select ends_with_2 0)), 4843#(and (or (<= 5 i_16) break_20 (<= i_19 1)) (or (<= 1000 result_18) (<= 5 i_16) (not break_20))), 4848#(and (or (<= 1000 result_18) (< i_13 5) (not break_20)) (or (< i_13 5) break_20 (<= i_19 1)) (or break_20 (<= i_19 1) (not break_14)) (or (<= 1000 result_18) (not break_14) (not break_20))), 4871#(and (or (<= i_19 0) (select ends_with_2 0)) (or (not break_20) (select ends_with_2 0)) (or (<= 0 i_19) (select ends_with_2 0))), 4844#(and (or (<= 5 i_16) (not (select ends_with_2 i_19))) (or (<= 5 i_16) (<= 0 i_19)) (or (<= 5 i_16) (<= i_19 0)) (or (<= 5 i_16) (not break_20))), 4849#(and (or (not (< i_13 5)) break_14 break_20 (<= i_19 1)) (or (not (< i_13 5)) (<= 1000 result_18) break_14 (not break_20))), 4873#(and (or (<= 1000 result_18) (<= 5 i_16) (not break_20) (select ends_with_2 0)) (or (<= 5 i_16) break_20 (<= i_19 1) (select ends_with_2 0))), 4859#(and (or (not break_14) (<= 0 i_19)) (or (< i_13 5) (not break_20)) (or (not (select ends_with_2 i_19)) (not break_14)) (or (not break_14) (not break_20)) (or (not break_14) (<= i_19 0)) (or (< i_13 5) (not (select ends_with_2 i_19))) (or (< i_13 5) (<= i_19 0)) (or (< i_13 5) (<= 0 i_19))), 4862#(and (or (<= 5 i_13) (<= 5 i_16) break_14 (<= 0 i_19)) (or (not (< i_13 5)) (<= 5 i_16) break_14 (not break_20)) (or (not (< i_13 5)) (<= 5 i_16) break_14 (<= i_19 0)) (or (<= 5 i_13) (<= 5 i_16) break_14 (not (select ends_with_2 i_19)))), 4875#(or (= i_16 0) (select ends_with_2 0)), 4846#(and (or (< i_13 5) (<= 1 result_18) (<= 5 i_16)) (or (<= 1 result_18) (<= 5 i_16) (not break_14))), 4855#(or (select ends_with_2 i_13) (<= 1 result_18) (<= 5 i_16) (<= 4 i_13) break_14), 4874#(and (or (<= 5 i_16) (<= 0 i_19) (select ends_with_2 0)) (or (<= 5 i_16) (not break_20) (select ends_with_2 0)) (or (<= 5 i_16) (<= i_19 0) (select ends_with_2 0))), 4847#(or (not (< i_13 5)) (<= 1 result_18) break_14), 4857#(and (or (not (< i_13 5)) (<= 5 i_16) break_14 break_20 (<= i_19 1)) (or (not (< i_13 5)) (<= 1000 result_18) (<= 5 i_16) break_14 (not break_20))), 4870#(and (or (not (< i_13 4)) (select ends_with_2 i_13) break_14 (= i_16 0)) (or (select ends_with_2 i_13) (<= 4 i_13) break_14 (not (select ends_with_2 0)))), 4845#(and (or (<= 1 result_18) (not break_14)) (or (< i_13 5) (<= 1 result_18))), 4851#(and (or (not (< i_13 4)) (select ends_with_2 i_13) (<= 1000 result_18) break_14 (not break_20)) (or (not (< i_13 4)) (select ends_with_2 i_13) break_14 break_20 (<= i_19 1))), 4864#(and (or (select ends_with_2 i_13) (<= 5 i_16) (<= 4 i_13) break_14 (<= i_19 0)) (or (select ends_with_2 i_13) (<= 5 i_16) (<= 4 i_13) break_14 (not break_20)) (or (select ends_with_2 i_13) (<= 5 i_16) (<= 4 i_13) break_14 (not (select ends_with_2 i_19))) (or (select ends_with_2 i_13) (<= 5 i_16) (<= 4 i_13) break_14 (<= 0 i_19))), 4856#(and (or (<= 5 i_16) break_20 (<= i_19 1) (not break_14)) (or (<= 1000 result_18) (<= 5 i_16) (not break_14) (not break_20)) (or (<= 1000 result_18) (< i_13 5) (<= 5 i_16) (not break_20)) (or (< i_13 5) (<= 5 i_16) break_20 (<= i_19 1))), 4853#(and (or (<= 1000 result_18) (not break_20) (select ends_with_2 0)) (or break_20 (<= i_19 1) (select ends_with_2 0))), 4866#(and (or (< i_13 5) (= i_16 0)) (or (< i_13 5) (not (select ends_with_2 0))) (or (not break_14) (= i_16 0)) (or (not break_14) (not (select ends_with_2 0)))), 4850#(or (select ends_with_2 i_13) (<= 1 result_18) (<= 4 i_13) break_14), 4860#(and (or (not (< i_13 5)) break_14 (not break_20)) (or (not (< i_13 5)) break_14 (<= i_19 0)) (or (<= 5 i_13) break_14 (<= 0 i_19)) (or (<= 5 i_13) break_14 (not (select ends_with_2 i_19)))), 4854#(or (<= 5 i_13) (<= 1 result_18) (<= 5 i_16) break_14), 4842#(or (<= 1 result_18) (<= 5 i_16)), 4865#(and (or (< i_13 5) (not (select ends_with_2 0))) (or (not break_14) (not (select ends_with_2 0)))), 4852#(or (<= 1 result_18) (select ends_with_2 0)), 4869#(or (select ends_with_2 i_13) (<= 4 i_13) break_14 (not (select ends_with_2 0))), 4858#(and (or (not (< i_13 4)) (select ends_with_2 i_13) (<= 5 i_16) break_14 break_20 (<= i_19 1)) (or (not (< i_13 4)) (select ends_with_2 i_13) (<= 1000 result_18) (<= 5 i_16) break_14 (not break_20)))] [2022-03-15 21:09:11,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-15 21:09:11,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:09:11,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-15 21:09:11,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1924, Unknown=0, NotChecked=0, Total=2162 [2022-03-15 21:09:11,853 INFO L87 Difference]: Start difference. First operand 186 states and 567 transitions. Second operand has 43 states, 42 states have (on average 3.7142857142857144) internal successors, (156), 43 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:17,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:09:17,143 INFO L93 Difference]: Finished difference Result 764 states and 2093 transitions. [2022-03-15 21:09:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-03-15 21:09:17,144 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.7142857142857144) internal successors, (156), 43 states have internal predecessors, (156), 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) Word has length 17 [2022-03-15 21:09:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:09:17,146 INFO L225 Difference]: With dead ends: 764 [2022-03-15 21:09:17,147 INFO L226 Difference]: Without dead ends: 722 [2022-03-15 21:09:17,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 154 SyntacticMatches, 7 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4906 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2634, Invalid=13878, Unknown=0, NotChecked=0, Total=16512 [2022-03-15 21:09:17,150 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 525 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 21:09:17,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 0 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 3281 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 21:09:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-03-15 21:09:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 257. [2022-03-15 21:09:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 3.0625) internal successors, (784), 256 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 784 transitions. [2022-03-15 21:09:17,164 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 784 transitions. Word has length 17 [2022-03-15 21:09:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:09:17,164 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 784 transitions. [2022-03-15 21:09:17,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.7142857142857144) internal successors, (156), 43 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 784 transitions. [2022-03-15 21:09:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 21:09:17,165 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:09:17,165 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:09:17,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 21:09:17,381 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,SelfDestructingSolverStorable9 [2022-03-15 21:09:17,381 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:09:17,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:09:17,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1985064217, now seen corresponding path program 3 times [2022-03-15 21:09:17,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:09:17,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132848697] [2022-03-15 21:09:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:09:17,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:09:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:09:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 21:09:17,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:09:17,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132848697] [2022-03-15 21:09:17,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132848697] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 21:09:17,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974321102] [2022-03-15 21:09:17,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 21:09:17,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:09:17,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 21:09:17,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 21:09:17,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 21:09:17,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 21:09:17,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 21:09:17,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-15 21:09:17,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 21:09:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:09:17,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 21:09:17,698 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 21:09:17,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2022-03-15 21:09:17,808 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-15 21:09:17,809 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8 treesize of output 7 [2022-03-15 21:09:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 21:09:17,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974321102] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 21:09:17,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 21:09:17,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 18 [2022-03-15 21:09:17,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1430016764] [2022-03-15 21:09:17,811 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:09:17,812 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:09:17,825 INFO L252 McrAutomatonBuilder]: Finished intersection with 153 states and 358 transitions. [2022-03-15 21:09:17,825 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:09:18,702 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:18,889 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:19,077 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:19,558 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:20,100 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:20,302 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,129 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,138 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,367 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,376 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,569 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,580 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,947 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:23,957 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:24,324 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:24,529 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:24,538 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:25,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:25,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:25,867 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,234 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,241 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,252 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,623 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,630 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:26,641 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,123 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,134 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,146 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,627 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,640 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:27,996 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:28,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:28,020 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,436 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,447 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,459 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,874 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,885 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:28,897 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:29,453 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:29,465 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:30,090 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:30,098 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:30,697 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:30,706 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:31,279 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:31,294 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:31,306 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:32,084 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:32,102 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:32,913 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:32,923 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:32,936 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:32,945 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:32,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2022-03-15 21:09:33,592 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:33,598 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:33,612 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:33,618 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:33,625 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:34,268 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:34,274 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:34,283 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:34,292 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,009 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,035 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,051 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,061 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,069 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,484 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:35,930 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:36,508 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:37,893 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:37,908 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:37,920 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:38,659 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:38,674 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:38,695 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:39,424 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:39,430 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:39,440 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:39,453 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:40,048 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:40,993 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,003 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,014 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,401 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,416 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,427 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:41,482 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,117 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,135 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,779 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,786 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,800 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,810 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:42,818 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:43,268 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:43,678 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:43,725 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:44,556 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:45,371 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:45,597 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 21:09:45,607 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 9 new interpolants: [6493#(and (or (< i_16 5) break_17) (or (<= (+ result_15 1000) 0) (not break_17))), 6494#(and (or (<= (+ result_15 1000) 0) break_20 (not break_17)) (or (< i_16 5) break_17 break_20)), 6498#(and (or (select ends_with_10 i_19) (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17) (or (select ends_with_10 i_19) (<= i_16 0) (not (< i_16 5)) break_17)), 6500#(or (not (select ends_with_10 0)) break_20), 6495#(and (or (select ends_with_10 i_19) (< i_16 5) break_17) (or (select ends_with_10 i_19) (<= (+ result_15 1000) 0) (not break_17))), 6499#(not (select ends_with_10 0)), 6501#(or (select ends_with_10 i_19) (not (select ends_with_10 0))), 6496#(and (or (<= i_16 0) (not (< i_16 5)) break_17) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17)), 6497#(and (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 break_20) (or (<= i_16 0) (not (< i_16 5)) break_17 break_20))] [2022-03-15 21:09:45,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 21:09:45,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:09:45,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 21:09:45,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2022-03-15 21:09:45,608 INFO L87 Difference]: Start difference. First operand 257 states and 784 transitions. Second operand has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 21:09:46,202 INFO L93 Difference]: Finished difference Result 354 states and 1026 transitions. [2022-03-15 21:09:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 21:09:46,202 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-03-15 21:09:46,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 21:09:46,204 INFO L225 Difference]: With dead ends: 354 [2022-03-15 21:09:46,204 INFO L226 Difference]: Without dead ends: 313 [2022-03-15 21:09:46,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 152 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=240, Invalid=1320, Unknown=0, NotChecked=0, Total=1560 [2022-03-15 21:09:46,205 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 21:09:46,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 21:09:46,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-03-15 21:09:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 268. [2022-03-15 21:09:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 3.0037453183520597) internal successors, (802), 267 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 802 transitions. [2022-03-15 21:09:46,210 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 802 transitions. Word has length 18 [2022-03-15 21:09:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 21:09:46,210 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 802 transitions. [2022-03-15 21:09:46,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 21:09:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 802 transitions. [2022-03-15 21:09:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 21:09:46,211 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 21:09:46,211 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:09:46,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-15 21:09:46,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:09:46,427 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 21:09:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 21:09:46,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2136986665, now seen corresponding path program 4 times [2022-03-15 21:09:46,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 21:09:46,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494879711] [2022-03-15 21:09:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 21:09:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 21:09:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 21:09:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 21:09:46,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 21:09:46,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494879711] [2022-03-15 21:09:46,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494879711] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 21:09:46,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493161344] [2022-03-15 21:09:46,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 21:09:46,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:09:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 21:09:46,616 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 21:09:46,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 21:09:46,656 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 21:09:46,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 21:09:46,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-15 21:09:46,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 21:09:46,795 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 221 [2022-03-15 21:09:46,978 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-03-15 21:09:46,979 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-15 21:09:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 21:09:47,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 21:09:47,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2022-03-15 21:09:47,384 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 275 [2022-03-15 21:09:47,396 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 21:09:47,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 282 treesize of output 250 [2022-03-15 21:09:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 21:09:47,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493161344] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 21:09:47,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 21:09:47,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 20 [2022-03-15 21:09:47,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1955894525] [2022-03-15 21:09:47,661 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 21:09:47,663 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 21:09:47,677 INFO L252 McrAutomatonBuilder]: Finished intersection with 155 states and 365 transitions. [2022-03-15 21:09:47,677 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 21:11:30,733 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 78 new interpolants: [7611#(and (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (not (select ends_with_10 (+ 2 i_16))) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= i_19 1) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13)))), 7577#(and (or (not (select ends_with_10 i_19)) (not (< i_16 5)) break_17 (not break_14) (not (select ends_with_6 i_16))) (or (< i_13 5) (<= 5 i_16) break_14 break_17 (not (select ends_with_2 i_19)) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (<= 5 i_16) break_17 (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0)) (or (not (select ends_with_10 i_16)) (< i_13 5) (<= 5 i_16) break_14 break_17 (not (select ends_with_2 i_19))) (or (not (< i_16 5)) break_17 (not break_14) (<= result_12 0) (not break_20) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (< i_13 5) (not (< i_16 5)) break_14 break_17 (<= i_19 0)) (or (not (select ends_with_10 i_19)) (not (< i_16 5)) break_17 (< i_16 4) (not break_14)) (or (not (< i_16 5)) break_17 (< i_16 4) (not break_14) (<= i_19 0) (<= result_12 0)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (not break_20) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_17 (not break_14)) (or (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (< i_13 5) (not (< i_16 5)) break_17) (or (not (select ends_with_10 i_19)) (< i_13 5) (<= 5 i_16) break_17 (< i_16 4)) (or (< i_13 5) (<= 5 i_16) break_14 break_17 (< i_16 4) (not (select ends_with_2 i_19))) (or (not (select ends_with_10 i_19)) (< i_13 5) (not (< i_16 5)) break_17 (not (select ends_with_6 i_16))) (or (<= 5 i_16) break_17 (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0) (not (select ends_with_6 i_16))) (or (not (< i_16 5)) break_17 (not break_14) (<= i_19 0) (<= result_12 0) (not (select ends_with_6 i_16))) (or (not (< i_16 5)) break_17 (< i_16 4) (not break_14) (<= result_12 0) (not break_20)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (<= i_19 0) (not (select ends_with_6 i_16))) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (< i_16 4) (not break_20)) (or (not (select ends_with_10 i_16)) (< i_13 5) (not (< i_16 5)) break_14 break_17 (not break_20)) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (not break_14) (<= result_12 0) (not break_20)) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (not break_14) (<= i_19 0) (<= result_12 0)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (< i_16 4) (<= i_19 0)) (or (<= 5 i_16) break_17 (< i_16 4) (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0))), 7620#(and (or (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (<= (+ i_13 1000) 0) (<= i_19 0) (not (select ends_with_10 2)) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (not (select ends_with_2 i_13)) (select ends_with_6 1) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (<= (+ i_13 1000) 0) (not (select ends_with_10 2)) (select ends_with_10 0) (not break_20) (not (select ends_with_6 i_13))) (or (select ends_with_6 1) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (<= (+ i_13 1000) 0) (select ends_with_10 0) (not break_20) (not (select ends_with_6 i_13))) (or (select ends_with_6 1) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (<= i_19 0) (select ends_with_10 0)) (or (< i_13 4) (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0) (not break_20)) (or (< i_13 4) (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (<= i_19 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (not (select ends_with_2 i_13)) (select ends_with_6 1) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (<= (+ i_13 1000) 0) (<= i_19 0) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0)) (or (< i_13 4) (select ends_with_6 1) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_10 1) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (select ends_with_2 i_13) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (not (select ends_with_10 2)) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0)) (or (< i_13 4) (select ends_with_6 1) (select ends_with_2 i_13) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (not (select ends_with_2 i_19)) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_2 i_13) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (select ends_with_10 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_6 1) (select ends_with_2 i_13) (select ends_with_10 1) (<= 5 i_13) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (not (select ends_with_2 i_19)) (select ends_with_10 0))), 7575#(and (or (< i_16 5) (not break_14) (<= result_12 0) (not break_20)) (or (< i_16 5) (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0)) (or (not (select ends_with_10 i_19)) (< i_13 5) (< i_16 5)) (or (< i_13 5) (< i_16 5) break_14 (<= i_19 0)) (or (< i_13 5) break_14 (not break_17) (not (select ends_with_2 i_19))) (or (not break_17) (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0)) (or (not (select ends_with_10 i_19)) (< i_13 5) (not break_17)) (or (< i_13 5) break_14 (not break_17) (not break_20)) (or (< i_13 5) (< i_16 5) break_14 (not break_20)) (or (not break_17) (not break_14) (<= i_19 0) (<= result_12 0)) (or (< i_13 5) (< i_16 5) break_14 (not (select ends_with_2 i_19))) (or (< i_16 5) (not break_14) (<= i_19 0) (<= result_12 0)) (or (not (select ends_with_10 i_19)) (< i_16 5) (not break_14)) (or (< i_13 5) break_14 (not break_17) (<= i_19 0)) (or (not (select ends_with_10 i_19)) (not break_17) (not break_14)) (or (not break_17) (not break_14) (<= result_12 0) (not break_20))), 7598#(and (or (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (not break_20)) (or (< i_16 3) (select ends_with_6 i_16) break_17 (<= 4 i_16) (not (select ends_with_2 i_19)) (not break_14) (select ends_with_10 i_16) (<= result_12 0)) (or (< i_16 3) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (select ends_with_10 i_16) (<= i_19 0)) (or (select ends_with_6 i_16) break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (not break_20)) (or (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16)) (or (select ends_with_6 i_16) break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (not (select ends_with_2 i_19)) (not break_14) (select ends_with_10 i_16) (<= result_12 0)) (or (< i_16 3) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (select ends_with_10 i_16) (not break_20)) (or (< i_16 3) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (<= 4 i_16) (not break_14) (select ends_with_10 i_16)) (or (< i_16 3) (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (<= 4 i_16) (select ends_with_10 i_16)) (or (< i_16 3) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (not (select ends_with_2 i_19)) (select ends_with_10 i_16)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (not break_20)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (<= i_19 0)) (or (< i_16 3) (select ends_with_6 i_16) break_17 (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (not break_20)) (or (< i_16 3) (select ends_with_6 i_16) break_17 (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not (select ends_with_2 i_19)) (select ends_with_10 i_16)) (or (select ends_with_6 i_16) break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (<= i_19 0)) (or (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not (select ends_with_2 i_19)) (not break_14) (select ends_with_10 i_16) (<= result_12 0)) (or (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16)) (or (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16)) (or (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not break_14) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0)) (or (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (not (select ends_with_2 i_19)) (select ends_with_10 i_16)) (or (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (not break_20))), 7606#(and (or (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (<= 5 i_16) break_17 (not (select ends_with_6 0))) (or (not (select ends_with_10 i_19)) (<= 5 i_16) break_17 (not (select ends_with_6 0)) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (not (select ends_with_6 0)) (<= i_19 0) (select ends_with_2 0)) (or (not (select ends_with_10 i_16)) (<= 5 i_16) break_17 (not (select ends_with_6 0)) (not (select ends_with_2 i_19)) (select ends_with_2 0)) (or (not (select ends_with_10 i_19)) (<= 5 i_16) break_17 (< i_16 4) (not (select ends_with_6 0))) (or (not (< i_16 5)) break_17 (not (select ends_with_6 0)) (not break_20) (not (select ends_with_6 i_16)) (select ends_with_2 0)) (or (<= 5 i_16) break_17 (< i_16 4) (not (select ends_with_6 0)) (<= i_19 0) (select ends_with_2 0)) (or (<= 5 i_16) break_17 (not (select ends_with_6 0)) (<= i_19 0) (not (select ends_with_6 i_16)) (select ends_with_2 0)) (or (not (select ends_with_10 i_19)) (<= 5 i_16) break_17 (< i_16 4) (not (select ends_with_2 0))) (or (not (< i_16 5)) break_17 (< i_16 4) (not (select ends_with_6 0)) (not break_20) (select ends_with_2 0)) (or (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_17 (not (select ends_with_2 0))) (or (<= 5 i_16) break_17 (not (select ends_with_6 0)) (not (select ends_with_2 i_19)) (not (select ends_with_6 i_16)) (select ends_with_2 0)) (or (not (select ends_with_10 i_19)) (not (< i_16 5)) break_17 (not (select ends_with_2 0)) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (not (select ends_with_6 0)) (not break_20) (select ends_with_2 0)) (or (<= 5 i_16) break_17 (< i_16 4) (not (select ends_with_6 0)) (not (select ends_with_2 i_19)) (select ends_with_2 0))), 7579#(and (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (not (select ends_with_6 i_13))) (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (not (select ends_with_6 i_16)) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (not (select ends_with_2 i_19))) (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (<= (+ i_13 1000) 0) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= i_19 0) (not (select ends_with_6 i_16))) (or (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (not break_20)) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (not (select ends_with_6 i_16))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (<= i_19 0)) (or (not (< i_13 5)) (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (not (select ends_with_6 i_13))) (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (not break_20) (not (select ends_with_6 i_16)) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (not (select ends_with_2 i_19))) (or (not (select ends_with_2 i_13)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (not (select ends_with_6 i_16))) (or (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (not (select ends_with_6 i_13))) (or (not (select ends_with_2 i_13)) (not (< i_13 5)) (not (select ends_with_10 i_16)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17) (or (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (<= i_19 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= i_19 0)) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (not (select ends_with_2 i_19)) (not (select ends_with_6 i_16))) (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (< i_16 4) (<= (+ i_13 1000) 0) (<= i_19 0) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_16)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (not break_20)) (or (not (select ends_with_2 i_13)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (< i_16 4)) (or (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (<= (+ i_13 1000) 0) (<= i_19 0) (not (select ends_with_6 i_16)) (not (select ends_with_6 i_13))) (or (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (< i_16 4) (not (select ends_with_6 i_13))) (or (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (not (select ends_with_6 i_16)) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_19)) (not (< i_16 5)) break_14 break_17 (< i_16 4)) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (not (< i_16 5)) break_14 break_17 (not break_20) (not (select ends_with_6 i_16)))), 7605#(and (or (not (select ends_with_10 i_19)) (not break_17) (not (select ends_with_6 0))) (or (< i_16 5) (not (select ends_with_6 0)) (not (select ends_with_2 i_19)) (select ends_with_2 0)) (or (not break_17) (not (select ends_with_6 0)) (not (select ends_with_2 i_19)) (select ends_with_2 0)) (or (not (select ends_with_10 i_19)) (not break_17) (not (select ends_with_2 0))) (or (< i_16 5) (not (select ends_with_6 0)) (<= i_19 0) (select ends_with_2 0)) (or (< i_16 5) (not (select ends_with_6 0)) (not break_20) (select ends_with_2 0)) (or (not break_17) (not (select ends_with_6 0)) (not break_20) (select ends_with_2 0)) (or (not (select ends_with_10 i_19)) (< i_16 5) (not (select ends_with_6 0))) (or (not (select ends_with_10 i_19)) (< i_16 5) (not (select ends_with_2 0))) (or (not break_17) (not (select ends_with_6 0)) (<= i_19 0) (select ends_with_2 0))), 7587#(and (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not break_14) (<= result_12 0) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not break_14) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0))), 7593#(and (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (< i_16 3)) (select ends_with_6 i_16) break_17 (not (select ends_with_6 0)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (select ends_with_2 0)) (or (select ends_with_10 (+ i_16 1)) (not (< i_16 3)) (< i_16 2) (select ends_with_6 i_16) break_17 (not (select ends_with_6 0)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (select ends_with_2 0)) (or (select ends_with_10 (+ i_16 1)) (not (< i_16 3)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (not (select ends_with_6 0)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (select ends_with_2 0))), 7609#(and (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (<= i_19 1) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (<= i_19 1) (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (<= i_19 1) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20))), 7627#(and (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 (not (select ends_with_2 0))) (or (< i_13 4) (not (< i_13 5)) break_14 (= i_16 0)) (or (not (< i_13 5)) break_14 (= i_16 0) (not (select ends_with_6 i_13))) (or (not (select ends_with_2 i_13)) (not (< i_13 5)) break_14 (= i_16 0)) (or (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 (<= (+ i_13 1000) 0) (not (select ends_with_2 0)) (not (select ends_with_6 i_13)))), 7613#(and (or (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (< i_13 5) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (select 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(select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (not break_20)) (or (< i_13 4) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (not break_20)) (or (< i_13 4) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (<= i_19 0)) (or (< i_13 4) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (not (select ends_with_2 i_19)) (select ends_with_10 i_16)) (or (< i_13 4) (< i_16 3) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (select ends_with_10 i_16) (not break_20)) (or (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= (+ i_13 1000) 0) (<= 4 i_16) (select ends_with_10 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (not (select ends_with_2 i_13)) (< i_16 3) (not (select ends_with_10 i_19)) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (select ends_with_10 i_16)) (or (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= (+ i_13 1000) 0) (<= 4 i_16) (select ends_with_10 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (not (select ends_with_10 i_19)) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16) (not (select ends_with_6 i_13))) (or (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= (+ i_13 1000) 0) (<= 4 i_16) (not (select ends_with_2 i_19)) (select ends_with_10 i_16) (not 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i_16 4) (not break_14) (<= result_12 0)) (or (not (< i_16 5)) break_17 (< i_16 4) (not break_14) (<= result_12 0) (not break_20)) (or (not (select ends_with_10 i_16)) (< i_13 5) (not (< i_16 5)) break_14 break_17 (<= i_19 1)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (< i_16 4) (not break_20)) (or (not (select ends_with_10 i_16)) (< i_13 5) (not (< i_16 5)) break_14 break_17 (not break_20)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (<= i_19 1) (< i_16 4)) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (not break_14) (<= result_12 0) (not break_20)) (or (< i_13 5) (not (< i_16 5)) break_14 break_17 (<= i_19 1) (not (select ends_with_6 i_16)))), 7582#(and (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16))), 7616#(and (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_2 i_19)) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (<= result_12 0) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not (select ends_with_2 i_19)) (<= result_12 0) (select ends_with_10 0)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (<= i_19 0) (<= result_12 0) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (<= i_19 0) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0))), 7614#(and (or (not (select ends_with_6 (+ 2 i_16))) (not (select ends_with_2 i_13)) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_2 i_13)) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (< i_16 2) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (< i_16 2) (not (select ends_with_10 i_19)) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (not (select ends_with_2 i_13)) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not (select ends_with_6 i_13))) (or (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (<= (+ i_13 1000) 0) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= 3 i_16)) (or (< i_13 4) (select ends_with_10 (+ i_16 1)) (select ends_with_2 i_13) (<= 5 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16))), 7583#(and (or (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (< i_13 5) (select ends_with_6 i_16) break_14 break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (not break_14) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16))), 7584#(and (or (< i_16 3) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= (+ i_13 1000) 0) (<= 4 i_16) (select ends_with_10 i_16) (not (select ends_with_6 i_13))) (or (< i_13 4) (< i_16 3) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (<= 4 i_16) (select ends_with_10 i_16)) (or (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= (+ i_13 1000) 0) (<= 4 i_16) (select ends_with_10 i_16) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_6 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16)) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= 4 i_16) (select ends_with_10 i_16)) (or (not (< i_13 5)) (select ends_with_2 i_13) (select ends_with_6 i_16) break_14 break_17 (not (select ends_with_10 (+ i_16 1))) (<= (+ i_13 1000) 0) (<= 4 i_16) (select ends_with_10 i_16) (not (select ends_with_6 i_13)))), 7563#(and (or (not (< i_16 5)) break_17 (<= result_12 0) (not (select ends_with_6 i_16))) (or (not (select ends_with_10 i_16)) (not (< i_16 5)) break_17 (<= result_12 0)) (or (not (< i_16 5)) break_17 (< i_16 4) (<= result_12 0))), 7589#(or (not (select ends_with_6 0)) (select ends_with_2 0)), 7612#(and (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16) (not break_20)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (< i_16 2) (select ends_with_6 i_16) break_17 (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= i_19 0) (<= result_12 0) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (not (select ends_with_10 i_19)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= 3 i_16)) (or (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (not (select ends_with_10 (+ 2 i_16))) (not (select ends_with_2 i_19)) (select ends_with_6 (+ i_16 1)) (select ends_with_10 i_16) (<= result_12 0) (<= 3 i_16)) (or (not (select ends_with_6 (+ 2 i_16))) (select ends_with_10 (+ i_16 1)) (select ends_with_6 i_16) break_17 (select 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i_13 5)) (select ends_with_2 i_13) break_14 (<= (+ i_13 1000) 0) (not break_20) (not (select ends_with_6 i_13))) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) break_14 (not break_20)) (or (< i_13 4) (not (< i_13 5)) (not (select ends_with_10 i_19)) break_14) (or (< i_13 4) (not (< i_13 5)) (select ends_with_2 i_13) break_14 (not (select ends_with_2 i_19))) (or (not (select ends_with_2 i_13)) (not (< i_13 5)) (not (select ends_with_10 i_19)) break_14)), 7618#(and (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_2 i_19)) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not break_14) (<= result_12 0) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not break_14) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (<= i_19 0) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) (not (select ends_with_6 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not break_14) (<= i_19 0) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not (select ends_with_2 i_19)) (not break_14) (<= result_12 0) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (<= i_19 0) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not break_14) (<= result_12 0) (not (select ends_with_10 2)) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_10 2)) (select ends_with_10 0) (not break_20)) (or (select ends_with_6 1) (select ends_with_10 1) (select ends_with_6 0) (not (select ends_with_6 2)) (not break_14) (<= i_19 0) (<= result_12 0) (select ends_with_10 0)) (or (select ends_with_6 1) (not (select ends_with_10 i_19)) (select ends_with_10 1) (select ends_with_6 0) (not break_14) (not (select ends_with_10 2)) (select ends_with_10 0)) (or (select ends_with_6 1) (select ends_with_10 1) (< i_13 5) (select ends_with_6 0) break_14 (not (select ends_with_6 2)) (not (select ends_with_2 i_19)) (select ends_with_10 0)))] [2022-03-15 21:11:30,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-03-15 21:11:30,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 21:11:30,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-03-15 21:11:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=9214, Unknown=0, NotChecked=0, Total=9702 [2022-03-15 21:11:30,739 INFO L87 Difference]: Start difference. First operand 268 states and 802 transitions. Second operand has 89 states, 88 states have (on average 3.0681818181818183) internal successors, (270), 89 states have internal predecessors, (270), 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) Received shutdown request... [2022-03-15 21:20:01,999 WARN L244 SmtUtils]: Removed 6 from assertion stack [2022-03-15 21:20:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 567 states. [2022-03-15 21:20:02,020 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 21:20:02,020 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 21:20:02,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 246 SyntacticMatches, 10 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172058 ImplicationChecksByTransitivity, 507.2s TimeCoverageRelationStatistics Valid=44095, Invalid=393487, Unknown=0, NotChecked=0, Total=437582 [2022-03-15 21:20:02,032 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2381 mSDsluCounter, 3149 mSDsCounter, 0 mSdLazyCounter, 11704 mSolverCounterSat, 3533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3533 IncrementalHoareTripleChecker+Valid, 11704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-03-15 21:20:02,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2381 Valid, 0 Invalid, 15237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3533 Valid, 11704 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-03-15 21:20:02,033 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-15 21:20:02,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-15 21:20:02,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 21:20:02,234 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (268states) and FLOYD_HOARE automaton (currently 567 states, 89 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 173 for 464ms.. [2022-03-15 21:20:02,236 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-15 21:20:02,236 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-15 21:20:02,236 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-15 21:20:02,237 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 21:20:02,239 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 21:20:02,239 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 21:20:02,240 INFO L202 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 09:20:02 BasicIcfg [2022-03-15 21:20:02,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 21:20:02,240 INFO L158 Benchmark]: Toolchain (without parser) took 717700.96ms. Allocated memory was 174.1MB in the beginning and 729.8MB in the end (delta: 555.7MB). Free memory was 134.7MB in the beginning and 232.1MB in the end (delta: -97.4MB). Peak memory consumption was 459.2MB. Max. memory is 8.0GB. [2022-03-15 21:20:02,240 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 21:20:02,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.63ms. Allocated memory is still 174.1MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 21:20:02,241 INFO L158 Benchmark]: Boogie Preprocessor took 12.56ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 132.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 21:20:02,241 INFO L158 Benchmark]: RCFGBuilder took 329.75ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 115.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-15 21:20:02,241 INFO L158 Benchmark]: TraceAbstraction took 717311.50ms. Allocated memory was 174.1MB in the beginning and 729.8MB in the end (delta: 555.7MB). Free memory was 147.8MB in the beginning and 232.1MB in the end (delta: -84.3MB). Peak memory consumption was 472.0MB. Max. memory is 8.0GB. [2022-03-15 21:20:02,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.63ms. Allocated memory is still 174.1MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.56ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 132.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.75ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 115.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 717311.50ms. Allocated memory was 174.1MB in the beginning and 729.8MB in the end (delta: 555.7MB). Free memory was 147.8MB in the beginning and 232.1MB in the end (delta: -84.3MB). Peak memory consumption was 472.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 32 PlacesBefore, 27 PlacesAfterwards, 28 TransitionsBefore, 23 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 72, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing difference of abstraction (268states) and FLOYD_HOARE automaton (currently 567 states, 89 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 173 for 464ms.. - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (268states) and FLOYD_HOARE automaton (currently 567 states, 89 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 173 for 464ms.. - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (268states) and FLOYD_HOARE automaton (currently 567 states, 89 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 173 for 464ms.. - TimeoutResultAtElement [Line: 137]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (268states) and FLOYD_HOARE automaton (currently 567 states, 89 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 173 for 464ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 717.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 525.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4011 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4011 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 11.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6408 mSDsCounter, 4101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18779 IncrementalHoareTripleChecker+Invalid, 22880 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4101 mSolverCounterUnsat, 0 mSDtfsCounter, 18779 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1926 GetRequests, 885 SyntacticMatches, 57 SemanticMatches, 983 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181085 ImplicationChecksByTransitivity, 519.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=11, InterpolantAutomatonStates: 243, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1427 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 1779 SizeOfPredicates, 46 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 37/74 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