java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-20 10:36:51,533 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-20 10:36:51,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-20 10:36:51,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-20 10:36:51,554 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-20 10:36:51,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-20 10:36:51,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-20 10:36:51,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-20 10:36:51,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-20 10:36:51,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-20 10:36:51,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-20 10:36:51,598 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-20 10:36:51,617 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-20 10:36:51,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-20 10:36:51,619 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-20 10:36:51,619 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-20 10:36:51,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-20 10:36:51,620 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-20 10:36:51,620 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-20 10:36:51,620 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-20 10:36:51,620 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-20 10:36:51,621 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-20 10:36:51,623 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-20 10:36:51,623 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-20 10:36:51,624 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-20 10:36:51,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-20 10:36:51,625 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-20 10:36:51,625 INFO L133 SettingsManager]: * Use SBE=true [2019-01-20 10:36:51,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-20 10:36:51,625 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-20 10:36:51,626 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-20 10:36:51,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-20 10:36:51,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-20 10:36:51,628 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-20 10:36:51,628 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-20 10:36:51,628 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-20 10:36:51,628 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-20 10:36:51,628 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-20 10:36:51,629 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-20 10:36:51,629 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-20 10:36:51,629 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-20 10:36:51,629 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-20 10:36:51,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-20 10:36:51,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-20 10:36:51,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-20 10:36:51,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-20 10:36:51,631 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-20 10:36:51,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-20 10:36:51,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-20 10:36:51,632 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-20 10:36:51,632 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-20 10:36:51,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-20 10:36:51,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-20 10:36:51,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-20 10:36:51,685 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-20 10:36:51,686 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-20 10:36:51,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-01-20 10:36:51,687 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-01-20 10:36:51,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-20 10:36:51,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-20 10:36:51,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-20 10:36:51,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-20 10:36:51,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-20 10:36:51,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,765 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-20 10:36:51,765 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-20 10:36:51,766 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-20 10:36:51,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-20 10:36:51,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-20 10:36:51,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-20 10:36:51,769 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-20 10:36:51,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... [2019-01-20 10:36:51,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-20 10:36:51,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-20 10:36:51,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-20 10:36:51,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-20 10:36:51,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-20 10:36:51,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-20 10:36:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-20 10:36:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-20 10:36:52,072 INFO L278 CfgBuilder]: Using library mode [2019-01-20 10:36:52,073 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-20 10:36:52,074 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:36:52 BoogieIcfgContainer [2019-01-20 10:36:52,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-20 10:36:52,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-20 10:36:52,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-20 10:36:52,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-20 10:36:52,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 10:36:51" (1/2) ... [2019-01-20 10:36:52,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61026556 and model type SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:36:52, skipping insertion in model container [2019-01-20 10:36:52,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:36:52" (2/2) ... [2019-01-20 10:36:52,082 INFO L112 eAbstractionObserver]: Analyzing ICFG SkatingStrawberry.bpl [2019-01-20 10:36:52,092 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-20 10:36:52,099 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-20 10:36:52,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-20 10:36:52,147 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-20 10:36:52,147 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-20 10:36:52,147 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-20 10:36:52,147 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-20 10:36:52,148 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-20 10:36:52,148 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-20 10:36:52,148 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-20 10:36:52,148 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-20 10:36:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-01-20 10:36:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-20 10:36:52,169 INFO L394 BasicCegarLoop]: Found error trace [2019-01-20 10:36:52,170 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-20 10:36:52,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-20 10:36:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:36:52,179 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2019-01-20 10:36:52,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-20 10:36:52,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:52,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-20 10:36:52,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:52,234 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-20 10:36:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:36:52,551 WARN L181 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2019-01-20 10:36:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:36:52,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-20 10:36:52,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-20 10:36:52,586 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-20 10:36:52,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-20 10:36:52,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-20 10:36:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-20 10:36:52,604 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-01-20 10:36:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-20 10:36:52,682 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-01-20 10:36:52,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-20 10:36:52,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-20 10:36:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-20 10:36:52,694 INFO L225 Difference]: With dead ends: 15 [2019-01-20 10:36:52,694 INFO L226 Difference]: Without dead ends: 5 [2019-01-20 10:36:52,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-20 10:36:52,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-01-20 10:36:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-01-20 10:36:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-20 10:36:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-01-20 10:36:52,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-01-20 10:36:52,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-20 10:36:52,733 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-01-20 10:36:52,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-20 10:36:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-01-20 10:36:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-20 10:36:52,734 INFO L394 BasicCegarLoop]: Found error trace [2019-01-20 10:36:52,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-20 10:36:52,734 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-20 10:36:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:36:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2019-01-20 10:36:52,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-20 10:36:52,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:52,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-20 10:36:52,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:52,737 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-20 10:36:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:36:52,968 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2019-01-20 10:36:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:36:52,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:36:52,986 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-20 10:36:52,987 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-01-20 10:36:52,989 INFO L207 CegarAbsIntRunner]: [0], [4], [8], [9] [2019-01-20 10:36:53,056 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-20 10:36:53,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-20 10:36:53,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-20 10:36:53,642 INFO L272 AbstractInterpreter]: Visited 4 different actions 9 times. Merged at 3 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-20 10:36:53,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:36:53,654 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-20 10:36:53,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:36:53,654 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-20 10:36:53,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-20 10:36:53,672 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-20 10:36:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:36:53,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-20 10:36:53,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-20 10:36:53,825 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:53,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:53,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-20 10:36:53,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:36:53,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:36:53,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:36:53,955 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-20 10:36:54,258 WARN L181 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-20 10:36:54,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 58 [2019-01-20 10:36:54,436 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,480 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 70 [2019-01-20 10:36:54,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:36:54,637 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,641 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,645 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,658 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 90 [2019-01-20 10:36:54,699 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-20 10:36:54,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:36:54,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,792 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,794 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 57 [2019-01-20 10:36:54,837 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,840 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:54,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 66 [2019-01-20 10:36:54,842 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:36:55,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,174 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,199 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,224 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:36:55,251 INFO L303 Elim1Store]: Index analysis took 140 ms [2019-01-20 10:36:55,252 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 86 [2019-01-20 10:36:55,253 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:36:55,320 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:36:55,396 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-20 10:36:55,396 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:42, output treesize:145 [2019-01-20 10:36:55,582 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-01-20 10:36:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:36:55,601 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-20 10:36:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:36:55,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-20 10:36:55,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-01-20 10:36:55,688 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-20 10:36:55,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-20 10:36:55,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-20 10:36:55,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-20 10:36:55,690 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2019-01-20 10:36:59,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-20 10:36:59,828 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-01-20 10:36:59,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-20 10:36:59,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-01-20 10:36:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-20 10:36:59,829 INFO L225 Difference]: With dead ends: 8 [2019-01-20 10:36:59,830 INFO L226 Difference]: Without dead ends: 6 [2019-01-20 10:36:59,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-20 10:36:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-20 10:36:59,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-20 10:36:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-20 10:36:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-01-20 10:36:59,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-01-20 10:36:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-20 10:36:59,834 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-01-20 10:36:59,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-20 10:36:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-01-20 10:36:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-20 10:36:59,835 INFO L394 BasicCegarLoop]: Found error trace [2019-01-20 10:36:59,835 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-01-20 10:36:59,836 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-20 10:36:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:36:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2019-01-20 10:36:59,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-20 10:36:59,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:59,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-20 10:36:59,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:36:59,838 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-20 10:36:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:37:00,167 WARN L181 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-01-20 10:37:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:37:00,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:00,210 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-20 10:37:00,210 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-20 10:37:00,211 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-20 10:37:00,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:00,211 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-20 10:37:00,223 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-20 10:37:00,223 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-20 10:37:00,236 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-20 10:37:00,237 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-20 10:37:00,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-20 10:37:00,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-20 10:37:00,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,260 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-20 10:37:00,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,298 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,298 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-20 10:37:00,375 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,394 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 53 [2019-01-20 10:37:00,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2019-01-20 10:37:00,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,563 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 42 [2019-01-20 10:37:00,566 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:37:00,666 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,674 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2019-01-20 10:37:00,707 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,710 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,712 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,740 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 70 [2019-01-20 10:37:00,742 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,800 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,803 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,805 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:00,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 46 [2019-01-20 10:37:00,816 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:00,855 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:37:00,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-20 10:37:00,933 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-01-20 10:37:01,195 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-01-20 10:37:01,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,252 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 72 [2019-01-20 10:37:01,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,282 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,303 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 100 [2019-01-20 10:37:01,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,370 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2019-01-20 10:37:01,379 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,381 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,382 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,386 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,387 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 93 [2019-01-20 10:37:01,388 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,422 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,649 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,656 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,658 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,661 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,666 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 122 [2019-01-20 10:37:01,682 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,715 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,740 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 167 [2019-01-20 10:37:01,742 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,808 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:01,814 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,818 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,821 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,830 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,832 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 125 [2019-01-20 10:37:01,867 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,869 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,889 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:01,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 164 [2019-01-20 10:37:01,914 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:02,126 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:02,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-20 10:37:02,465 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:125, output treesize:178 [2019-01-20 10:37:02,668 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-01-20 10:37:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:37:02,676 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-20 10:37:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-20 10:37:02,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-20 10:37:02,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 9 [2019-01-20 10:37:02,793 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-20 10:37:02,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-20 10:37:02,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-20 10:37:02,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-01-20 10:37:02,794 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 8 states. [2019-01-20 10:37:09,349 WARN L181 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-01-20 10:37:13,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-20 10:37:13,510 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-20 10:37:13,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-20 10:37:13,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-01-20 10:37:13,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-20 10:37:13,511 INFO L225 Difference]: With dead ends: 10 [2019-01-20 10:37:13,511 INFO L226 Difference]: Without dead ends: 8 [2019-01-20 10:37:13,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-01-20 10:37:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-20 10:37:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-20 10:37:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-20 10:37:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-20 10:37:13,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-01-20 10:37:13,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-20 10:37:13,517 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-20 10:37:13,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-20 10:37:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-20 10:37:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-20 10:37:13,518 INFO L394 BasicCegarLoop]: Found error trace [2019-01-20 10:37:13,518 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-01-20 10:37:13,518 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-20 10:37:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:37:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 3 times [2019-01-20 10:37:13,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-20 10:37:13,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:37:13,519 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-20 10:37:13,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:37:13,520 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-20 10:37:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:37:13,970 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-01-20 10:37:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:37:14,116 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:14,116 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-20 10:37:14,117 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-20 10:37:14,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-20 10:37:14,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:14,117 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-20 10:37:14,134 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-20 10:37:14,134 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-20 10:37:14,267 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-20 10:37:14,267 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-20 10:37:14,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-20 10:37:14,273 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-20 10:37:14,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,283 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,284 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-20 10:37:14,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,306 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-20 10:37:14,379 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2019-01-20 10:37:14,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,390 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,391 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2019-01-20 10:37:14,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2019-01-20 10:37:14,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,450 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,453 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 69 [2019-01-20 10:37:14,454 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,477 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-20 10:37:14,516 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-01-20 10:37:14,784 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-01-20 10:37:14,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,791 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 89 [2019-01-20 10:37:14,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,803 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,805 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:14,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-20 10:37:14,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:14,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:15,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,052 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,070 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,072 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,072 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:37:15,078 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,079 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,080 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 148 [2019-01-20 10:37:15,086 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,090 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,094 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,096 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,098 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 136 [2019-01-20 10:37:15,100 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:15,176 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:15,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-20 10:37:15,222 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-01-20 10:37:15,894 WARN L181 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-01-20 10:37:15,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,900 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,903 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 161 [2019-01-20 10:37:15,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,914 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,916 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,917 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:15,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 159 [2019-01-20 10:37:15,920 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:15,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:16,212 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,214 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,218 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,219 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:37:16,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,225 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,228 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,230 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 270 [2019-01-20 10:37:16,245 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,248 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,253 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:16,256 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 192 [2019-01-20 10:37:16,257 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:16,430 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:16,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-20 10:37:16,541 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:225, output treesize:177 [2019-01-20 10:37:17,848 WARN L181 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-01-20 10:37:22,511 WARN L181 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-01-20 10:37:22,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,539 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,549 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,553 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 296 [2019-01-20 10:37:22,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,577 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,578 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,581 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,583 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:22,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 212 [2019-01-20 10:37:22,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:22,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:25,921 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:25,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:25,970 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:25,997 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,018 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,086 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,126 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,144 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,157 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,165 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,171 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,187 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,196 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,206 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,237 INFO L303 Elim1Store]: Index analysis took 365 ms [2019-01-20 10:37:26,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 394 [2019-01-20 10:37:26,456 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:37:26,472 INFO L303 Elim1Store]: Index analysis took 230 ms [2019-01-20 10:37:26,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 23 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 319 [2019-01-20 10:37:26,474 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:37:26,688 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:37:27,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-20 10:37:27,131 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:317, output treesize:249 [2019-01-20 10:37:34,971 WARN L181 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-01-20 10:37:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-20 10:37:34,983 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-20 10:37:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-20 10:37:36,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-20 10:37:36,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 14 [2019-01-20 10:37:36,543 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-20 10:37:36,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-20 10:37:36,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-20 10:37:36,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=135, Unknown=3, NotChecked=0, Total=210 [2019-01-20 10:37:36,545 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-01-20 10:37:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-20 10:37:59,348 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-01-20 10:37:59,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-20 10:37:59,348 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-01-20 10:37:59,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-20 10:37:59,349 INFO L225 Difference]: With dead ends: 14 [2019-01-20 10:37:59,349 INFO L226 Difference]: Without dead ends: 11 [2019-01-20 10:37:59,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=72, Invalid=135, Unknown=3, NotChecked=0, Total=210 [2019-01-20 10:37:59,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-20 10:37:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-20 10:37:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-20 10:37:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-20 10:37:59,354 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2019-01-20 10:37:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-20 10:37:59,354 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-20 10:37:59,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-20 10:37:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-20 10:37:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-20 10:37:59,355 INFO L394 BasicCegarLoop]: Found error trace [2019-01-20 10:37:59,355 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2019-01-20 10:37:59,355 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-20 10:37:59,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-20 10:37:59,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1612820806, now seen corresponding path program 4 times [2019-01-20 10:37:59,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-20 10:37:59,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:37:59,357 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-20 10:37:59,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-20 10:37:59,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-20 10:37:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:37:59,845 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-01-20 10:37:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-01-20 10:37:59,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:59,950 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-20 10:37:59,950 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-20 10:37:59,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-20 10:37:59,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-20 10:37:59,950 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-20 10:37:59,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-20 10:37:59,960 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-20 10:38:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-20 10:38:00,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-20 10:38:00,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-20 10:38:00,740 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:00,751 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:00,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-20 10:38:00,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:00,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:00,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:00,788 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-20 10:38:00,955 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:00,980 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,027 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,027 INFO L303 Elim1Store]: Index analysis took 108 ms [2019-01-20 10:38:01,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 53 [2019-01-20 10:38:01,056 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,058 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2019-01-20 10:38:01,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,119 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,120 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,121 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 42 [2019-01-20 10:38:01,123 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,156 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:38:01,160 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,163 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2019-01-20 10:38:01,192 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,195 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,197 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 70 [2019-01-20 10:38:01,212 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,277 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,281 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,290 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 46 [2019-01-20 10:38:01,291 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,328 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-20 10:38:01,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-20 10:38:01,397 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-01-20 10:38:01,532 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2019-01-20 10:38:01,873 WARN L181 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-01-20 10:38:01,878 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,879 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,883 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 75 [2019-01-20 10:38:01,907 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,908 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,910 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,914 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 76 [2019-01-20 10:38:01,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:01,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,970 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,972 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 74 [2019-01-20 10:38:01,978 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,979 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,980 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,981 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:01,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-20 10:38:01,984 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,253 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 128 [2019-01-20 10:38:02,272 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,277 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 132 [2019-01-20 10:38:02,282 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,342 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,349 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,352 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,356 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,361 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,363 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 125 [2019-01-20 10:38:02,388 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,400 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:02,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 135 [2019-01-20 10:38:02,417 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,481 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:02,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-20 10:38:02,564 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:131, output treesize:135 [2019-01-20 10:38:02,998 WARN L181 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-01-20 10:38:03,003 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,005 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,007 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,010 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,017 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 98 treesize of output 181 [2019-01-20 10:38:03,061 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,063 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,066 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 198 [2019-01-20 10:38:03,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:03,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:03,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,225 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,240 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 95 treesize of output 178 [2019-01-20 10:38:03,312 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,326 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,328 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,330 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 201 [2019-01-20 10:38:03,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:03,536 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,549 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,554 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:03,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 156 [2019-01-20 10:38:03,604 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:03,686 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:05,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,332 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,350 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,370 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,375 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,378 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:05,381 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:07,404 WARN L687 Elim1Store]: solver failed to check if following not equals relation is implied: (= main_yold v_subst_4) [2019-01-20 10:38:07,417 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,487 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,508 INFO L303 Elim1Store]: Index analysis took 2204 ms [2019-01-20 10:38:07,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 113 treesize of output 301 [2019-01-20 10:38:07,572 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,574 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,585 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,588 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:07,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 292 treesize of output 336 [2019-01-20 10:38:07,613 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:08,133 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,143 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,158 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,160 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,168 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,175 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,194 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,197 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,201 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,245 INFO L303 Elim1Store]: Index analysis took 118 ms [2019-01-20 10:38:08,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 302 [2019-01-20 10:38:08,252 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:08,412 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:08,419 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,426 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,494 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,503 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,503 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:08,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,534 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,546 INFO L303 Elim1Store]: Index analysis took 133 ms [2019-01-20 10:38:08,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 296 [2019-01-20 10:38:08,578 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,592 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,593 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:08,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 317 [2019-01-20 10:38:08,596 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:09,296 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:09,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-20 10:38:09,523 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:223, output treesize:189 [2019-01-20 10:38:13,345 WARN L181 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-01-20 10:38:15,510 WARN L181 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 87 [2019-01-20 10:38:15,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,544 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,555 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,626 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,630 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,638 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,652 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,652 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:15,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,678 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,696 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,707 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,722 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,747 INFO L303 Elim1Store]: Index analysis took 235 ms [2019-01-20 10:38:15,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 365 [2019-01-20 10:38:15,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,780 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,808 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,826 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,827 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:15,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 23 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 342 [2019-01-20 10:38:15,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:16,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:16,416 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,425 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,431 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,495 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,499 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,511 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:16,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:16,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,053 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,057 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,071 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,079 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,081 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,090 INFO L303 Elim1Store]: Index analysis took 738 ms [2019-01-20 10:38:17,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 133 treesize of output 358 [2019-01-20 10:38:17,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,158 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,161 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,174 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,177 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:17,205 INFO L303 Elim1Store]: Index analysis took 105 ms [2019-01-20 10:38:17,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 103 treesize of output 341 [2019-01-20 10:38:17,212 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:17,638 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:23,059 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,061 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,067 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,068 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,071 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,071 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,072 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,073 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 216 [2019-01-20 10:38:23,083 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,085 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,091 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,092 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,094 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,096 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 207 [2019-01-20 10:38:23,097 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:23,196 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:23,201 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,205 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,211 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,230 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,240 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,282 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 209 [2019-01-20 10:38:23,293 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,300 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,304 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,317 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,319 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,321 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:23,357 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 206 [2019-01-20 10:38:23,358 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:23,480 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:23,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-20 10:38:23,900 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:267, output treesize:367 [2019-01-20 10:38:36,518 WARN L181 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2019-01-20 10:38:38,813 WARN L181 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 100 [2019-01-20 10:38:38,822 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,824 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,825 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,827 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,828 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,832 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,833 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,835 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,837 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,851 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,856 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,860 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,861 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 342 [2019-01-20 10:38:38,896 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:38,957 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,021 INFO L303 Elim1Store]: Index analysis took 140 ms [2019-01-20 10:38:39,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 101 treesize of output 347 [2019-01-20 10:38:39,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:39,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:39,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,240 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,243 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,244 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,270 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 353 [2019-01-20 10:38:39,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,291 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,311 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:39,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 352 [2019-01-20 10:38:39,314 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:39,487 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:46,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,327 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,347 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,364 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,429 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,479 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:46,486 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,600 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,609 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,682 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,749 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,751 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,753 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:46,780 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,156 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,320 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,327 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,341 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,397 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,417 INFO L303 Elim1Store]: Index analysis took 1123 ms [2019-01-20 10:38:47,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 683 [2019-01-20 10:38:47,843 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,851 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:47,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:48,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:48,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:48,245 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:48,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:48,380 INFO L303 Elim1Store]: Index analysis took 662 ms [2019-01-20 10:38:48,386 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 655 treesize of output 759 [2019-01-20 10:38:48,387 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:50,620 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:50,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,772 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,775 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,807 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,807 INFO L683 Elim1Store]: detected equality via solver [2019-01-20 10:38:50,927 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,969 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:50,993 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,141 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,159 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,161 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,185 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,228 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,263 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,312 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,458 INFO L303 Elim1Store]: Index analysis took 836 ms [2019-01-20 10:38:51,662 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 214 treesize of output 678 [2019-01-20 10:38:51,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,691 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,694 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,696 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,699 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,704 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:51,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 669 treesize of output 770 [2019-01-20 10:38:51,715 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:54,500 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,592 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,657 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,675 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,707 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,765 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,893 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,923 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,968 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:54,977 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,011 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,054 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,108 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,161 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,177 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,289 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,326 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,399 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:38:55,469 INFO L303 Elim1Store]: Index analysis took 1041 ms [2019-01-20 10:38:55,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 740 [2019-01-20 10:38:55,471 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-01-20 10:38:57,406 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:38:58,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-20 10:38:58,069 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:380, output treesize:353 [2019-01-20 10:39:14,710 WARN L181 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-01-20 10:39:20,702 WARN L181 SmtUtils]: Spent 5.99 s on a formula simplification that was a NOOP. DAG size: 106 [2019-01-20 10:39:20,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:21,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:21,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:21,085 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:21,931 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:21,988 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,070 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,320 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,346 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,373 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,381 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,445 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,660 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,692 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:22,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:23,089 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:23,356 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:23,403 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:23,434 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,391 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,475 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,762 INFO L303 Elim1Store]: Index analysis took 4057 ms [2019-01-20 10:39:24,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 3 new quantified variables, introduced 17 case distinctions, treesize of input 246 treesize of output 941 [2019-01-20 10:39:24,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,958 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:24,967 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:25,006 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:25,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:25,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:25,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:25,086 INFO L303 Elim1Store]: Index analysis took 181 ms [2019-01-20 10:39:25,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 909 treesize of output 1017 [2019-01-20 10:39:25,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:39:30,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:39:30,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:30,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:30,709 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,051 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,159 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,223 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,383 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:31,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,035 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,094 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,243 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,369 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,795 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:32,916 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:33,014 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:33,878 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:33,933 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:33,982 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:34,084 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:34,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:34,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:34,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:36,995 INFO L303 Elim1Store]: Index analysis took 6845 ms [2019-01-20 10:39:39,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 261 treesize of output 932 [2019-01-20 10:39:39,588 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,615 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,627 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,638 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,665 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,676 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,679 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:39,679 INFO L303 Elim1Store]: Index analysis took 127 ms [2019-01-20 10:39:39,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 923 treesize of output 1028 [2019-01-20 10:39:39,682 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:39:45,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:45,608 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:45,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:45,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,090 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,091 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,588 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,683 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:46,887 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,002 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,087 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,384 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,398 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,421 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,493 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,586 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,627 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,641 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,679 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,821 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,860 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,959 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:39:47,959 INFO L303 Elim1Store]: Index analysis took 2499 ms [2019-01-20 10:39:47,960 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 1017 [2019-01-20 10:39:47,961 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:39:49,979 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:40:18,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,444 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,451 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,453 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,484 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,485 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,487 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,531 INFO L303 Elim1Store]: Index analysis took 104 ms [2019-01-20 10:40:18,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 550 [2019-01-20 10:40:18,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,580 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,583 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 561 [2019-01-20 10:40:18,585 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-20 10:40:18,931 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:40:18,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,963 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:18,967 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,028 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,038 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,061 INFO L303 Elim1Store]: Index analysis took 129 ms [2019-01-20 10:40:19,071 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 535 [2019-01-20 10:40:19,095 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,097 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,109 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,126 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,127 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,128 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,130 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:40:19,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 140 treesize of output 552 [2019-01-20 10:40:19,167 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-01-20 10:40:19,480 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:40:24,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-20 10:40:24,436 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:478, output treesize:641 [2019-01-20 10:40:26,444 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((v_prenex_46 Int)) (= (select c_main_a c_main_y) (select c_main_a v_prenex_46))) (exists ((v_subst_4 Int)) (let ((.cse7 (+ v_subst_4 1))) (let ((.cse8 (mod .cse7 256)) (.cse11 (mod (+ (mod (+ v_subst_4 2) 256) 1) 256))) (let ((.cse9 (mod (+ (mod (+ .cse11 1) 256) 1) 256)) (.cse10 (mod (+ .cse8 1) 256))) (let ((.cse3 (select c_main_a (mod (+ (mod (+ .cse10 1) 256) 1) 256))) (.cse5 (select c_main_a .cse11)) (.cse1 (select c_main_a .cse10)) (.cse4 (select c_main_a .cse9)) (.cse6 (mod (+ .cse9 1) 256)) (.cse0 (select c_main_a .cse8)) (.cse2 (select c_main_a v_subst_4))) (and (= .cse0 .cse1) (= 1000 .cse2) (= .cse3 .cse4) (= .cse3 .cse5) (= .cse5 .cse1) (= (select c_main_a .cse6) .cse4) (= c_main_y (mod (+ .cse6 1) 256)) (= c_main_x .cse6) (= .cse0 .cse2) (= 0 (select c_main_a .cse7))))))))) (and (exists ((v_prenex_45 Int)) (let ((.cse21 (mod (+ v_prenex_45 1) 256))) (let ((.cse20 (mod (+ .cse21 1) 256))) (let ((.cse22 (mod (+ .cse20 1) 256))) (let ((.cse19 (mod (+ .cse22 1) 256))) (let ((.cse12 (select c_main_a v_prenex_45)) (.cse16 (select c_main_a .cse22)) (.cse15 (mod (+ .cse19 1) 256)) (.cse14 (select c_main_a (+ v_prenex_45 (- 1)))) (.cse13 (select c_main_a .cse21)) (.cse18 (select c_main_a .cse20)) (.cse17 (select c_main_a .cse19))) (and (= v_prenex_45 (mod v_prenex_45 256)) (= .cse12 .cse13) (= .cse12 .cse14) (= c_main_x .cse15) (= .cse16 .cse17) (= .cse16 .cse18) (= c_main_y (mod (+ .cse15 1) 256)) (= .cse14 1000) (= .cse13 .cse18) (= (select c_main_a c_main_x) .cse17)))))))) (exists ((main_yold Int)) (= (select c_main_a c_main_y) (select c_main_a main_yold)))) (exists ((v_subst_5 Int)) (let ((.cse33 (mod (+ v_subst_5 1) 256))) (let ((.cse30 (mod (+ .cse33 1) 256))) (let ((.cse31 (mod (+ .cse30 1) 256))) (let ((.cse32 (mod (+ .cse31 1) 256))) (let ((.cse24 (select c_main_a .cse33)) (.cse28 (select c_main_a v_subst_5)) (.cse23 (select c_main_a (+ v_subst_5 (- 1)))) (.cse29 (mod (+ .cse32 1) 256)) (.cse26 (select c_main_a .cse32)) (.cse27 (select c_main_a .cse31)) (.cse25 (select c_main_a .cse30))) (and (= .cse23 1000) (= .cse24 .cse25) (= (select c_main_a c_main_x) .cse26) (= .cse27 .cse26) (= .cse28 .cse24) (= c_main_x .cse29) (= .cse28 .cse23) (= c_main_y (mod (+ .cse29 1) 256)) (= (select c_main_a c_main_y) .cse26) (= .cse27 .cse25) (= v_subst_5 (mod v_subst_5 256)))))))))) is different from false [2019-01-20 10:43:46,179 WARN L181 SmtUtils]: Spent 3.33 m on a formula simplification. DAG size of input: 161 DAG size of output: 156 [2019-01-20 10:43:46,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,194 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,251 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,253 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,277 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,282 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,349 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,351 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,362 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,364 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,366 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,370 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,413 INFO L303 Elim1Store]: Index analysis took 231 ms [2019-01-20 10:43:46,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 3 new quantified variables, introduced 17 case distinctions, treesize of input 280 treesize of output 1067 [2019-01-20 10:43:46,505 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,547 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:46,598 INFO L303 Elim1Store]: Index analysis took 131 ms [2019-01-20 10:43:46,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 1055 treesize of output 1375 [2019-01-20 10:43:46,608 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-20 10:43:47,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:43:47,692 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,693 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,695 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,697 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,698 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,702 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,703 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,706 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,708 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,709 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,717 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,723 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,764 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,765 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,769 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,771 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,777 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,788 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,815 INFO L303 Elim1Store]: Index analysis took 132 ms [2019-01-20 10:43:47,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 299 treesize of output 1086 [2019-01-20 10:43:47,888 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,900 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,914 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:47,916 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1077 treesize of output 1394 [2019-01-20 10:43:47,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-20 10:43:49,334 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,335 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,336 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,362 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,367 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,369 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,481 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,495 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,530 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,581 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,588 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,589 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,591 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,617 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,631 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,634 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,642 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,655 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,657 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,667 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,678 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,697 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:43:49,697 INFO L303 Elim1Store]: Index analysis took 370 ms [2019-01-20 10:43:49,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 1133 [2019-01-20 10:43:49,699 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-20 10:43:50,648 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:46:15,163 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,270 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,321 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,323 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,406 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,415 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,416 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,417 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,418 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,430 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,476 INFO L303 Elim1Store]: Index analysis took 339 ms [2019-01-20 10:46:15,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 292 treesize of output 1083 [2019-01-20 10:46:15,640 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,951 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,955 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,959 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:15,997 INFO L303 Elim1Store]: Index analysis took 368 ms [2019-01-20 10:46:16,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 1076 treesize of output 1396 [2019-01-20 10:46:16,008 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-20 10:46:18,906 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,097 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,136 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,151 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,164 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,165 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,180 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,206 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,207 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,275 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,277 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,281 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,283 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,285 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,286 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,293 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,294 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,295 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,306 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,308 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,309 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:46:19,333 INFO L303 Elim1Store]: Index analysis took 441 ms [2019-01-20 10:46:19,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 249 treesize of output 1115 [2019-01-20 10:46:19,352 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-20 10:46:19,969 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:48:11,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,010 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,203 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:12,970 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:13,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:13,170 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:13,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,388 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,634 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,710 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,903 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:14,966 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,074 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,252 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,328 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:15,922 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,153 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,346 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,563 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,691 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,715 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:16,800 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,084 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,363 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,496 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,524 INFO L303 Elim1Store]: Index analysis took 5769 ms [2019-01-20 10:48:17,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 321 treesize of output 1352 [2019-01-20 10:48:17,671 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,697 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,705 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,710 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,729 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:17,736 INFO L303 Elim1Store]: Index analysis took 113 ms [2019-01-20 10:48:17,739 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 47 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1340 treesize of output 1701 [2019-01-20 10:48:17,741 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-01-20 10:48:35,664 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:48:35,800 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:35,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:35,998 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,157 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,521 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,692 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:36,997 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:37,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:37,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:37,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:37,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:37,842 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,190 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,321 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,543 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,717 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:38,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:39,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:39,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:39,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,442 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,660 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,694 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:40,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,087 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,141 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:41,603 INFO L303 Elim1Store]: Index analysis took 5938 ms [2019-01-20 10:48:43,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 38 disjoint index pairs (out of 55 index pairs), introduced 3 new quantified variables, introduced 19 case distinctions, treesize of input 302 treesize of output 1333 [2019-01-20 10:48:43,326 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:43,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:43,995 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:44,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:44,285 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:45,110 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:45,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:45,120 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:45,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-20 10:48:48,355 WARN L687 Elim1Store]: solver failed to check if following not equals relation is implied: (= (select v_prenex_56 main_yold) (select v_prenex_56 (+ v_subst_4 1))) [2019-01-20 10:48:48,356 INFO L303 Elim1Store]: Index analysis took 5299 ms [2019-01-20 10:48:48,368 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 48 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 1321 treesize of output 1685 [2019-01-20 10:48:48,370 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-01-20 10:48:59,567 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-20 10:49:05,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2019-01-20 10:49:05,991 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:942, output treesize:763 [2019-01-20 10:49:52,756 WARN L181 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2019-01-20 10:49:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 11 refuted. 10 times theorem prover too weak. 0 trivial. 7 not checked. [2019-01-20 10:49:52,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-20 10:50:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-20 10:50:22,255 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-20 10:50:22,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 3] total 16 [2019-01-20 10:50:22,255 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-20 10:50:22,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-20 10:50:22,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-20 10:50:22,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=154, Unknown=30, NotChecked=28, Total=272 [2019-01-20 10:50:22,256 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 15 states. [2019-01-20 10:51:00,038 WARN L181 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-01-20 10:51:18,110 WARN L181 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62