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_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-18 09:30:18,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-18 09:30:18,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-18 09:30:18,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-18 09:30:18,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-18 09:30:19,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-18 09:30:19,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-18 09:30:19,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-18 09:30:19,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-18 09:30:19,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-18 09:30:19,011 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-18 09:30:19,050 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-02-18 09:30:19,063 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-18 09:30:19,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-18 09:30:19,064 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-18 09:30:19,064 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-18 09:30:19,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-18 09:30:19,064 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-18 09:30:19,064 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-18 09:30:19,065 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-18 09:30:19,065 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-18 09:30:19,065 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-18 09:30:19,065 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-18 09:30:19,065 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-18 09:30:19,066 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-18 09:30:19,066 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-18 09:30:19,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-18 09:30:19,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-18 09:30:19,067 INFO L133 SettingsManager]: * Use SBE=true [2019-02-18 09:30:19,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-18 09:30:19,067 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-18 09:30:19,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-18 09:30:19,068 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-18 09:30:19,069 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-18 09:30:19,069 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-18 09:30:19,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-18 09:30:19,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-18 09:30:19,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-18 09:30:19,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 09:30:19,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-18 09:30:19,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-18 09:30:19,070 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-18 09:30:19,071 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-18 09:30:19,071 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-18 09:30:19,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-02-18 09:30:19,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-18 09:30:19,071 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-18 09:30:19,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-18 09:30:19,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-18 09:30:19,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-18 09:30:19,122 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-18 09:30:19,122 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-18 09:30:19,123 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-02-18 09:30:19,123 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-02-18 09:30:19,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-18 09:30:19,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-18 09:30:19,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-18 09:30:19,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-18 09:30:19,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-18 09:30:19,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,200 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-18 09:30:19,200 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-18 09:30:19,200 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-18 09:30:19,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-18 09:30:19,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-18 09:30:19,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-18 09:30:19,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-18 09:30:19,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/1) ... [2019-02-18 09:30:19,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-18 09:30:19,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-18 09:30:19,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-18 09:30:19,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-18 09:30:19,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 09:30:19,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-18 09:30:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-18 09:30:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-18 09:30:19,538 INFO L278 CfgBuilder]: Using library mode [2019-02-18 09:30:19,538 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-02-18 09:30:19,539 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:30:19 BoogieIcfgContainer [2019-02-18 09:30:19,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-18 09:30:19,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-02-18 09:30:19,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-02-18 09:30:19,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-02-18 09:30:19,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 09:30:19" (1/2) ... [2019-02-18 09:30:19,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208283b7 and model type SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:30:19, skipping insertion in model container [2019-02-18 09:30:19,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:30:19" (2/2) ... [2019-02-18 09:30:19,547 INFO L112 eAbstractionObserver]: Analyzing ICFG SkatingStrawberry.bpl [2019-02-18 09:30:19,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-02-18 09:30:19,565 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-02-18 09:30:19,582 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-02-18 09:30:19,617 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-02-18 09:30:19,617 INFO L383 AbstractCegarLoop]: Hoare is true [2019-02-18 09:30:19,617 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-02-18 09:30:19,617 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-02-18 09:30:19,617 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-02-18 09:30:19,618 INFO L387 AbstractCegarLoop]: Difference is false [2019-02-18 09:30:19,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-02-18 09:30:19,618 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-02-18 09:30:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-02-18 09:30:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-18 09:30:19,642 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 09:30:19,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-18 09:30:19,645 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 09:30:19,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:30:19,651 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2019-02-18 09:30:19,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 09:30:19,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:19,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 09:30:19,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:19,698 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 09:30:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:30:19,995 WARN L181 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2019-02-18 09:30:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:20,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-18 09:30:20,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-02-18 09:30:20,030 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-18 09:30:20,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-02-18 09:30:20,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-02-18 09:30:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-02-18 09:30:20,051 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-02-18 09:30:20,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 09:30:20,131 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-02-18 09:30:20,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-18 09:30:20,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-02-18 09:30:20,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 09:30:20,144 INFO L225 Difference]: With dead ends: 15 [2019-02-18 09:30:20,144 INFO L226 Difference]: Without dead ends: 5 [2019-02-18 09:30:20,147 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 [2019-02-18 09:30:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-02-18 09:30:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-02-18 09:30:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-02-18 09:30:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-02-18 09:30:20,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-02-18 09:30:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 09:30:20,182 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-02-18 09:30:20,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-02-18 09:30:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-02-18 09:30:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-02-18 09:30:20,183 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 09:30:20,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-02-18 09:30:20,184 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 09:30:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:30:20,184 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2019-02-18 09:30:20,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 09:30:20,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:20,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 09:30:20,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:20,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 09:30:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:30:20,381 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2019-02-18 09:30:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:20,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:30:20,397 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 09:30:20,398 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-02-18 09:30:20,400 INFO L207 CegarAbsIntRunner]: [0], [4], [8], [9] [2019-02-18 09:30:20,449 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-02-18 09:30:20,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-18 09:30:20,525 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-18 09:30:20,526 INFO L272 AbstractInterpreter]: Visited 4 different actions 4 times. Never merged. Never widened. Performed 22 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-18 09:30:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:30:20,533 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-02-18 09:30:20,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:30:20,533 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 [2019-02-18 09:30:20,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 09:30:20,544 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-18 09:30:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:30:20,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 09:30:20,615 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 [2019-02-18 09:30:20,660 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:20,685 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:20,689 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 [2019-02-18 09:30:20,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:20,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:20,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:20,830 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 09:30:21,149 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-02-18 09:30:21,173 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,199 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,208 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,314 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 [2019-02-18 09:30:21,333 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,335 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,363 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 [2019-02-18 09:30:21,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:21,605 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,615 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,619 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,621 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,624 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,626 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,630 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,675 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 [2019-02-18 09:30:21,677 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:21,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 09:30:21,805 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,808 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,809 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,823 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 [2019-02-18 09:30:21,837 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,838 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:21,840 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 [2019-02-18 09:30:21,841 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:22,121 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,145 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,169 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,193 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,216 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,218 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,221 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:22,221 INFO L303 Elim1Store]: Index analysis took 139 ms [2019-02-18 09:30:22,223 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 [2019-02-18 09:30:22,225 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:22,278 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 09:30:22,362 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. [2019-02-18 09:30:22,363 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:42, output treesize:145 [2019-02-18 09:30:22,522 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-02-18 09:30:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:22,535 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 09:30:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:22,624 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 09:30:22,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-02-18 09:30:22,625 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 09:30:22,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-02-18 09:30:22,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-02-18 09:30:22,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-02-18 09:30:22,627 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2019-02-18 09:30:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 09:30:42,748 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-02-18 09:30:42,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-18 09:30:42,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-02-18 09:30:42,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 09:30:42,749 INFO L225 Difference]: With dead ends: 8 [2019-02-18 09:30:42,749 INFO L226 Difference]: Without dead ends: 6 [2019-02-18 09:30:42,750 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 [2019-02-18 09:30:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-02-18 09:30:42,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-02-18 09:30:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-02-18 09:30:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-02-18 09:30:42,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-02-18 09:30:42,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 09:30:42,753 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-02-18 09:30:42,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-02-18 09:30:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-02-18 09:30:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-02-18 09:30:42,754 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 09:30:42,754 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-02-18 09:30:42,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 09:30:42,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:30:42,755 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2019-02-18 09:30:42,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 09:30:42,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:42,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 09:30:42,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:30:42,757 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 09:30:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:30:43,053 WARN L181 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-02-18 09:30:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:43,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:30:43,085 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 09:30:43,086 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 09:30:43,086 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 09:30:43,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:30:43,086 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 [2019-02-18 09:30:43,114 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-18 09:30:43,114 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-18 09:30:43,137 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-02-18 09:30:43,137 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-18 09:30:43,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 09:30:43,149 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 [2019-02-18 09:30:43,167 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,170 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,171 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 [2019-02-18 09:30:43,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 09:30:43,258 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,274 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,280 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,323 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 [2019-02-18 09:30:43,333 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,335 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,336 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,339 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 [2019-02-18 09:30:43,340 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,491 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,492 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,493 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,495 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 [2019-02-18 09:30:43,496 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 09:30:43,575 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,577 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,581 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,600 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 [2019-02-18 09:30:43,608 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,612 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,613 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,630 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 [2019-02-18 09:30:43,631 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,699 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,701 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,702 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:43,712 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 [2019-02-18 09:30:43,713 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:43,750 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 09:30:43,825 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. [2019-02-18 09:30:43,826 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-02-18 09:30:44,055 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-02-18 09:30:44,063 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,065 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,068 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,077 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 [2019-02-18 09:30:44,098 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,099 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,101 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,106 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,136 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 [2019-02-18 09:30:44,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,200 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,202 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,204 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,205 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 [2019-02-18 09:30:44,298 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,300 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,302 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,306 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,309 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 [2019-02-18 09:30:44,310 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,394 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,624 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,626 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,628 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,630 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,631 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,635 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,642 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,649 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 [2019-02-18 09:30:44,658 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,667 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,672 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,674 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,694 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 [2019-02-18 09:30:44,695 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,769 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:44,774 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,776 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,784 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,786 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,788 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,790 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,793 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,794 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 [2019-02-18 09:30:44,813 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,815 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,835 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,860 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:30:44,862 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 [2019-02-18 09:30:44,869 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-02-18 09:30:45,079 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:30:45,188 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. [2019-02-18 09:30:45,189 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:125, output treesize:178 [2019-02-18 09:30:45,419 WARN L181 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-02-18 09:30:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:30:45,423 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 09:30:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-02-18 09:30:45,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 09:30:45,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 9 [2019-02-18 09:30:45,522 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 09:30:45,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-02-18 09:30:45,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-02-18 09:30:45,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-02-18 09:30:45,523 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 8 states. [2019-02-18 09:31:17,781 WARN L181 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-02-18 09:31:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 09:31:38,057 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-02-18 09:31:38,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-02-18 09:31:38,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-02-18 09:31:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 09:31:38,059 INFO L225 Difference]: With dead ends: 10 [2019-02-18 09:31:38,059 INFO L226 Difference]: Without dead ends: 8 [2019-02-18 09:31:38,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-02-18 09:31:38,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-02-18 09:31:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-02-18 09:31:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-02-18 09:31:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-02-18 09:31:38,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-02-18 09:31:38,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 09:31:38,064 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-02-18 09:31:38,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-02-18 09:31:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-02-18 09:31:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-02-18 09:31:38,064 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 09:31:38,064 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-02-18 09:31:38,065 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 09:31:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:31:38,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 3 times [2019-02-18 09:31:38,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 09:31:38,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:31:38,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-18 09:31:38,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:31:38,067 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 09:31:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:31:38,585 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-02-18 09:31:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:31:38,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:31:38,645 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 09:31:38,645 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 09:31:38,645 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 09:31:38,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:31:38,646 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 [2019-02-18 09:31:38,664 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-18 09:31:38,664 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-18 09:31:38,785 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-18 09:31:38,785 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-18 09:31:38,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 09:31:38,796 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 [2019-02-18 09:31:38,802 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,804 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,804 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 [2019-02-18 09:31:38,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:38,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:38,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:38,827 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 09:31:38,885 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,886 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,887 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 [2019-02-18 09:31:38,892 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,893 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,894 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 [2019-02-18 09:31:38,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:38,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:38,933 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,934 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,937 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,939 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 [2019-02-18 09:31:38,957 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,958 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,959 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:38,961 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 [2019-02-18 09:31:38,963 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:39,220 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:39,257 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. [2019-02-18 09:31:39,258 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-02-18 09:31:39,506 WARN L181 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-02-18 09:31:39,510 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,511 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,512 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,514 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 [2019-02-18 09:31:39,519 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,520 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,521 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,523 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,524 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 [2019-02-18 09:31:39,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:39,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:39,758 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,782 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,806 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,821 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,841 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,849 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,851 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 09:31:39,853 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,855 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,856 INFO L303 Elim1Store]: Index analysis took 136 ms [2019-02-18 09:31:39,857 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 [2019-02-18 09:31:39,884 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,886 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,889 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,894 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,895 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:39,897 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 [2019-02-18 09:31:39,897 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:39,967 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:40,018 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. [2019-02-18 09:31:40,018 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-02-18 09:31:41,152 WARN L181 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-02-18 09:31:41,160 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,162 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,163 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,166 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,167 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,169 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,170 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 [2019-02-18 09:31:41,178 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,179 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,184 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,186 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,188 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 [2019-02-18 09:31:41,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:41,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:41,499 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,501 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,503 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,523 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,524 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,524 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 09:31:41,530 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,536 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,540 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,543 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,552 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,554 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,557 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,558 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 [2019-02-18 09:31:41,603 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,607 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,608 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,609 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,612 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:41,614 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 [2019-02-18 09:31:41,615 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:41,818 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:41,936 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. [2019-02-18 09:31:41,937 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:225, output treesize:177 [2019-02-18 09:31:45,362 WARN L181 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-02-18 09:31:45,370 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,374 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,381 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,384 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,390 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,398 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,403 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,409 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,413 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,423 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,424 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 [2019-02-18 09:31:45,432 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,433 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,435 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,436 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,438 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,440 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:45,442 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 [2019-02-18 09:31:45,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:45,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:47,643 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,683 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,688 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,724 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,752 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,769 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,783 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,790 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,793 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,814 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,828 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,838 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,857 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,874 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,899 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,922 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,923 INFO L303 Elim1Store]: Index analysis took 297 ms [2019-02-18 09:31:47,924 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 [2019-02-18 09:31:47,959 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,964 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,967 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,970 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,972 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,981 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:31:47,983 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 [2019-02-18 09:31:47,984 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:31:48,416 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:31:48,575 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. [2019-02-18 09:31:48,575 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:317, output treesize:249 [2019-02-18 09:32:06,080 WARN L181 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-02-18 09:32:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-18 09:32:06,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 09:32:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-02-18 09:32:07,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 09:32:07,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 14 [2019-02-18 09:32:07,723 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 09:32:07,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-02-18 09:32:07,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-02-18 09:32:07,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-02-18 09:32:07,724 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-02-18 09:33:23,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 09:33:23,607 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-02-18 09:33:23,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-02-18 09:33:23,608 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-02-18 09:33:23,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 09:33:23,608 INFO L225 Difference]: With dead ends: 15 [2019-02-18 09:33:23,608 INFO L226 Difference]: Without dead ends: 12 [2019-02-18 09:33:23,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-02-18 09:33:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-02-18 09:33:23,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-02-18 09:33:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-02-18 09:33:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-02-18 09:33:23,614 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 7 [2019-02-18 09:33:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 09:33:23,614 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-02-18 09:33:23,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-02-18 09:33:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-02-18 09:33:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-02-18 09:33:23,615 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 09:33:23,615 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2019-02-18 09:33:23,615 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 09:33:23,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 09:33:23,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166432, now seen corresponding path program 4 times [2019-02-18 09:33:23,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 09:33:23,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:33:23,617 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-18 09:33:23,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 09:33:23,617 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 09:33:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:33:24,248 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-02-18 09:33:24,559 WARN L181 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 10 [2019-02-18 09:33:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-02-18 09:33:24,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:33:24,739 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 09:33:24,739 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 09:33:24,739 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 09:33:24,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 09:33:24,739 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 [2019-02-18 09:33:24,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 09:33:24,749 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-18 09:33:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 09:33:26,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 09:33:26,849 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 [2019-02-18 09:33:26,858 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,867 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,868 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 [2019-02-18 09:33:26,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,883 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,884 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 09:33:26,929 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,930 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,932 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 [2019-02-18 09:33:26,937 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,938 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,939 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 [2019-02-18 09:33:26,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,961 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,962 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,963 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,964 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 [2019-02-18 09:33:26,968 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,969 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,970 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:26,971 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 [2019-02-18 09:33:26,972 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:26,994 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:27,027 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. [2019-02-18 09:33:27,027 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-02-18 09:33:27,230 WARN L181 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-02-18 09:33:27,234 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,235 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,236 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,237 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 [2019-02-18 09:33:27,241 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,242 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,243 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,245 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,246 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 [2019-02-18 09:33:27,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:27,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:27,358 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,360 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,363 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,363 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 09:33:27,366 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,367 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,370 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,372 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,373 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 130 [2019-02-18 09:33:27,396 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,398 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,401 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,407 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:27,408 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 55 treesize of output 126 [2019-02-18 09:33:27,409 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:27,471 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:27,522 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. [2019-02-18 09:33:27,523 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-02-18 09:33:28,674 WARN L181 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-02-18 09:33:28,679 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 09:33:28,690 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,735 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,746 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,752 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,761 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,768 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,772 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,787 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,788 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 09:33:28,800 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,811 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,817 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,821 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,821 INFO L303 Elim1Store]: Index analysis took 146 ms [2019-02-18 09:33:28,823 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 107 treesize of output 259 [2019-02-18 09:33:28,829 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,831 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,836 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,838 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,840 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:28,842 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 79 treesize of output 178 [2019-02-18 09:33:28,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:29,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:29,379 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,381 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,385 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,387 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,389 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,391 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,392 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 171 [2019-02-18 09:33:29,402 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,404 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,406 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,408 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,414 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:29,415 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 56 treesize of output 127 [2019-02-18 09:33:29,415 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:29,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:29,594 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. [2019-02-18 09:33:29,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:229, output treesize:173 [2019-02-18 09:33:32,290 WARN L181 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-02-18 09:33:50,574 WARN L181 SmtUtils]: Spent 18.28 s on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-02-18 09:33:50,582 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,584 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,585 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,587 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,590 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,591 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,593 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,594 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,595 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,597 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,599 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 136 treesize of output 298 [2019-02-18 09:33:50,629 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,631 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,633 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,634 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,638 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,640 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:50,641 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 85 treesize of output 214 [2019-02-18 09:33:50,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:50,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:51,765 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,796 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,803 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,825 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,836 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,950 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,959 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,982 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,993 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:51,999 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,021 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,042 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,063 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,073 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,113 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,136 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,137 INFO L303 Elim1Store]: Index analysis took 397 ms [2019-02-18 09:33:52,138 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 142 treesize of output 378 [2019-02-18 09:33:52,167 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,170 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,172 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,186 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,192 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:33:52,193 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 108 treesize of output 287 [2019-02-18 09:33:52,194 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:33:52,595 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:33:53,110 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. [2019-02-18 09:33:53,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:313, output treesize:235 [2019-02-18 09:34:09,922 WARN L181 SmtUtils]: Spent 10.04 s on a formula simplification that was a NOOP. DAG size: 64 [2019-02-18 09:34:15,992 WARN L181 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-02-18 09:34:16,026 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,038 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,043 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,082 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,089 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,098 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,105 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,110 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,114 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,120 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,136 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,151 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,155 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,164 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,171 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,171 INFO L303 Elim1Store]: Index analysis took 178 ms [2019-02-18 09:34:16,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 491 [2019-02-18 09:34:16,182 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,185 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,188 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,190 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,194 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,197 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,199 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:16,201 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 128 treesize of output 367 [2019-02-18 09:34:16,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:34:16,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:34:23,236 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,270 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,319 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,358 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,444 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,513 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,535 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,603 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,614 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,669 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,724 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,759 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,785 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,839 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,874 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,914 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:23,961 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,097 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,138 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,203 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,218 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,218 INFO L303 Elim1Store]: Index analysis took 1166 ms [2019-02-18 09:34:24,219 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 0 case distinctions, treesize of input 189 treesize of output 585 [2019-02-18 09:34:24,257 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,263 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,267 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,272 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,278 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,287 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,292 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:34:24,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 30 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 450 [2019-02-18 09:34:24,295 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:34:25,280 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:34:26,503 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. [2019-02-18 09:34:26,504 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:423, output treesize:319 [2019-02-18 09:35:09,104 WARN L181 SmtUtils]: Spent 10.05 s on a formula simplification that was a NOOP. DAG size: 72 [2019-02-18 09:35:21,891 WARN L181 SmtUtils]: Spent 12.78 s on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-02-18 09:35:22,075 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,119 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,162 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,273 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,339 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,445 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,539 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,595 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,678 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,727 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,745 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:22,931 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,080 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,166 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,178 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,270 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,306 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,411 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,527 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,623 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,736 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,757 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,855 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:23,980 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,038 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,104 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,130 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,207 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,414 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,415 INFO L303 Elim1Store]: Index analysis took 2523 ms [2019-02-18 09:35:24,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 876 [2019-02-18 09:35:24,575 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,577 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,580 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,588 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,595 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,597 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,600 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,603 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:24,604 INFO L303 Elim1Store]: Index analysis took 183 ms [2019-02-18 09:35:24,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 38 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 713 [2019-02-18 09:35:24,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:35:27,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:35:48,111 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,113 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,114 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,115 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,122 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,128 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,149 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,155 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,163 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,174 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,185 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,199 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,220 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,237 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,242 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,250 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,255 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,259 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,262 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,273 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,275 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,276 INFO L303 Elim1Store]: Index analysis took 175 ms [2019-02-18 09:35:48,277 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 746 [2019-02-18 09:35:48,296 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,298 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,300 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,302 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,304 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,307 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,309 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,311 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:35:48,313 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 169 treesize of output 574 [2019-02-18 09:35:48,315 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:35:48,699 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:35:51,887 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. [2019-02-18 09:35:51,888 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:547, output treesize:445 [2019-02-18 09:37:44,000 WARN L181 SmtUtils]: Spent 23.98 s on a formula simplification that was a NOOP. DAG size: 81 [2019-02-18 09:38:11,587 WARN L181 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-02-18 09:38:11,688 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:11,766 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:11,801 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:11,839 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:11,923 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,034 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,041 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,299 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,352 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,481 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,482 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,484 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,571 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,609 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,636 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,704 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,729 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:12,779 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,121 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,253 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,321 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,419 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,628 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,787 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,830 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:13,920 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,029 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,102 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,376 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,498 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,566 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,638 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,639 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,726 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,790 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,801 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,941 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:14,942 INFO L303 Elim1Store]: Index analysis took 3353 ms [2019-02-18 09:38:14,943 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 1173 [2019-02-18 09:38:15,023 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,026 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,028 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,031 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,041 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,043 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,051 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,054 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,067 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:38:15,067 INFO L303 Elim1Store]: Index analysis took 120 ms [2019-02-18 09:38:15,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 1238 [2019-02-18 09:38:15,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:38:25,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:39:02,794 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,796 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,798 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,800 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,802 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,804 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,809 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,823 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,824 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,826 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,840 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,897 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,908 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,909 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,911 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,912 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,915 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,923 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,929 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,932 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,937 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,939 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,946 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,966 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,967 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,969 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,975 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,980 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:02,980 INFO L303 Elim1Store]: Index analysis took 200 ms [2019-02-18 09:39:02,981 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 1091 [2019-02-18 09:39:03,027 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,051 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,072 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,094 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,112 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,114 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,118 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,123 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,125 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:39:03,126 INFO L303 Elim1Store]: Index analysis took 140 ms [2019-02-18 09:39:03,128 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 224 treesize of output 863 [2019-02-18 09:39:03,130 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:39:04,090 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:39:07,634 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. [2019-02-18 09:39:07,635 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:689, output treesize:557 [2019-02-18 09:41:14,024 WARN L181 SmtUtils]: Spent 10.12 s on a formula simplification that was a NOOP. DAG size: 89 [2019-02-18 09:42:08,449 WARN L181 SmtUtils]: Spent 54.42 s on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-02-18 09:42:08,753 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:08,907 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,056 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,113 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,296 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,398 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,771 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,791 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:09,982 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:10,306 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:10,388 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:10,654 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:10,705 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:10,791 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,200 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,282 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,350 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,521 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,584 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,739 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,784 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:11,961 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,126 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,215 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,506 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,630 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,685 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,758 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,820 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,856 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:12,958 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,074 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,230 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,387 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,604 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,711 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,864 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,961 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:13,962 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:14,922 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,049 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,106 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,120 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,174 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,294 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,502 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,502 INFO L303 Elim1Store]: Index analysis took 7052 ms [2019-02-18 09:42:15,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 1732 [2019-02-18 09:42:15,731 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,738 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,760 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,781 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,787 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,789 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,804 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,809 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,811 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,819 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:42:15,820 INFO L303 Elim1Store]: Index analysis took 308 ms [2019-02-18 09:42:15,821 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 1417 [2019-02-18 09:42:15,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 09:42:26,072 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:43:23,055 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,059 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,060 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,092 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,093 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,095 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,128 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,159 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,202 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,207 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,219 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,241 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,245 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,262 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,264 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,265 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,267 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,269 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,294 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,341 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,357 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,367 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,368 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,411 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,423 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,454 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,456 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,457 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,474 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,547 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,548 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,585 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,601 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,617 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,621 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,621 INFO L303 Elim1Store]: Index analysis took 597 ms [2019-02-18 09:43:23,623 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 0 case distinctions, treesize of input 394 treesize of output 1540 [2019-02-18 09:43:23,672 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,682 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,693 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,694 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,697 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,700 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,703 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,705 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,710 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,714 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 09:43:23,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 1248 [2019-02-18 09:43:23,717 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 09:43:25,101 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 09:43:48,973 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. [2019-02-18 09:43:48,974 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:841, output treesize:653