java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-18 10:05:29,017 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-18 10:05:29,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-18 10:05:29,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-18 10:05:29,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-18 10:05:29,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-18 10:05:29,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-18 10:05:29,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-18 10:05:29,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-18 10:05:29,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-18 10:05:29,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-18 10:05:29,077 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-02-18 10:05:29,093 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-18 10:05:29,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-18 10:05:29,094 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-18 10:05:29,094 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-18 10:05:29,095 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-18 10:05:29,095 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-18 10:05:29,095 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-18 10:05:29,095 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-18 10:05:29,095 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-18 10:05:29,096 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-18 10:05:29,096 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-18 10:05:29,096 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-18 10:05:29,096 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-18 10:05:29,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-18 10:05:29,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-18 10:05:29,097 INFO L133 SettingsManager]: * Use SBE=true [2019-02-18 10:05:29,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-18 10:05:29,098 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-18 10:05:29,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-18 10:05:29,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-18 10:05:29,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-18 10:05:29,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-18 10:05:29,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-18 10:05:29,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-18 10:05:29,100 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-18 10:05:29,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-18 10:05:29,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-18 10:05:29,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-18 10:05:29,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-18 10:05:29,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-18 10:05:29,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 10:05:29,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-02-18 10:05:29,102 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-18 10:05:29,103 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-18 10:05:29,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-18 10:05:29,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-18 10:05:29,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-18 10:05:29,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-18 10:05:29,148 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-18 10:05:29,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-02-18 10:05:29,149 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-02-18 10:05:29,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-18 10:05:29,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-18 10:05:29,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-18 10:05:29,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-18 10:05:29,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-18 10:05:29,200 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 10:05:29" (1/1) ... [2019-02-18 10:05:29,210 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 10:05:29" (1/1) ... [2019-02-18 10:05:29,215 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-18 10:05:29,215 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-18 10:05:29,215 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-18 10:05:29,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-18 10:05:29,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-18 10:05:29,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-18 10:05:29,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-18 10:05:29,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/1) ... [2019-02-18 10:05:29,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-18 10:05:29,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-18 10:05:29,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-18 10:05:29,240 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-18 10:05:29,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (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 10:05:29,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-18 10:05:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-18 10:05:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-18 10:05:29,530 INFO L278 CfgBuilder]: Using library mode [2019-02-18 10:05:29,530 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-02-18 10:05:29,531 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:05:29 BoogieIcfgContainer [2019-02-18 10:05:29,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-18 10:05:29,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-02-18 10:05:29,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-02-18 10:05:29,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-02-18 10:05:29,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:05:29" (1/2) ... [2019-02-18 10:05:29,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8712c and model type SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 10:05:29, skipping insertion in model container [2019-02-18 10:05:29,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:05:29" (2/2) ... [2019-02-18 10:05:29,539 INFO L112 eAbstractionObserver]: Analyzing ICFG SkatingStrawberry.bpl [2019-02-18 10:05:29,548 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-02-18 10:05:29,555 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-02-18 10:05:29,572 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-02-18 10:05:29,603 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-02-18 10:05:29,603 INFO L383 AbstractCegarLoop]: Hoare is true [2019-02-18 10:05:29,603 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-02-18 10:05:29,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-02-18 10:05:29,604 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-02-18 10:05:29,604 INFO L387 AbstractCegarLoop]: Difference is false [2019-02-18 10:05:29,604 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-02-18 10:05:29,604 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-02-18 10:05:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-02-18 10:05:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-18 10:05:29,625 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 10:05:29,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-18 10:05:29,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 10:05:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:05:29,638 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2019-02-18 10:05:29,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 10:05:29,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:29,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 10:05:29,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:29,695 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 10:05:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:05:30,002 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2019-02-18 10:05:30,038 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 10:05:30,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-18 10:05:30,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-02-18 10:05:30,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-18 10:05:30,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-02-18 10:05:30,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-02-18 10:05:30,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-02-18 10:05:30,061 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-02-18 10:05:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 10:05:30,134 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-02-18 10:05:30,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-18 10:05:30,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-02-18 10:05:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 10:05:30,147 INFO L225 Difference]: With dead ends: 15 [2019-02-18 10:05:30,147 INFO L226 Difference]: Without dead ends: 5 [2019-02-18 10:05:30,151 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 10:05:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-02-18 10:05:30,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-02-18 10:05:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-02-18 10:05:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-02-18 10:05:30,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-02-18 10:05:30,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 10:05:30,188 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-02-18 10:05:30,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-02-18 10:05:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-02-18 10:05:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-02-18 10:05:30,189 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 10:05:30,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-02-18 10:05:30,190 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 10:05:30,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:05:30,191 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2019-02-18 10:05:30,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 10:05:30,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:30,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 10:05:30,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:30,193 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 10:05:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:05:30,420 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2019-02-18 10:05:30,442 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 10:05:30,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:05:30,442 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 10:05:30,443 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-02-18 10:05:30,445 INFO L207 CegarAbsIntRunner]: [0], [4], [8], [9] [2019-02-18 10:05:30,508 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-02-18 10:05:30,508 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-18 10:05:31,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-18 10:05:31,242 INFO L272 AbstractInterpreter]: Visited 4 different actions 9 times. Merged at 3 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-18 10:05:31,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:05:31,252 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-02-18 10:05:31,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:05:31,252 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 10:05:31,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 10:05:31,267 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-18 10:05:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:05:31,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 10:05:31,404 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 10:05:31,443 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:31,450 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:31,451 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 10:05:31,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:31,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:31,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:31,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 10:05:31,855 WARN L181 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-02-18 10:05:31,864 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:31,877 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:31,879 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,022 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 10:05:32,049 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,078 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,102 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 10:05:32,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:32,268 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,295 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,342 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,358 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,362 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,364 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,367 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,375 INFO L303 Elim1Store]: Index analysis took 145 ms [2019-02-18 10:05:32,388 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 10:05:32,390 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:32,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 10:05:32,503 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,510 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,512 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,526 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 10:05:32,539 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,540 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,542 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 10:05:32,543 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:32,814 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,840 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,870 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,891 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,916 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,936 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,938 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:32,938 INFO L303 Elim1Store]: Index analysis took 158 ms [2019-02-18 10:05:32,940 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 10:05:32,941 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:33,004 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 10:05:33,112 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 10:05:33,116 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:42, output treesize:145 [2019-02-18 10:05:33,255 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-02-18 10:05:33,266 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 10:05:33,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 10:05:33,388 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 10:05:33,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 10:05:33,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-02-18 10:05:33,410 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 10:05:33,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-02-18 10:05:33,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-02-18 10:05:33,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-02-18 10:05:33,413 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2019-02-18 10:05:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 10:05:53,605 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-02-18 10:05:53,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-18 10:05:53,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-02-18 10:05:53,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 10:05:53,606 INFO L225 Difference]: With dead ends: 8 [2019-02-18 10:05:53,606 INFO L226 Difference]: Without dead ends: 6 [2019-02-18 10:05:53,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-02-18 10:05:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-02-18 10:05:53,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-02-18 10:05:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-02-18 10:05:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-02-18 10:05:53,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-02-18 10:05:53,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 10:05:53,610 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-02-18 10:05:53,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-02-18 10:05:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-02-18 10:05:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-02-18 10:05:53,611 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 10:05:53,611 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-02-18 10:05:53,611 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 10:05:53,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:05:53,612 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2019-02-18 10:05:53,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 10:05:53,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:53,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 10:05:53,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:05:53,614 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 10:05:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:05:53,903 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-02-18 10:05:53,961 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 10:05:53,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:05:53,962 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 10:05:53,962 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 10:05:53,963 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 10:05:53,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:05:53,963 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 10:05:53,975 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-18 10:05:53,975 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-18 10:05:53,986 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-02-18 10:05:53,986 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-18 10:05:53,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 10:05:53,994 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 10:05:54,000 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,003 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,004 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 10:05:54,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 10:05:54,121 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,133 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,136 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,170 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 10:05:54,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,183 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,186 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,187 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 10:05:54,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,310 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,311 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,312 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,314 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 10:05:54,315 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 10:05:54,405 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,407 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,414 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,435 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 10:05:54,450 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,453 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,455 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,471 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 10:05:54,472 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,530 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,532 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,534 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,544 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 10:05:54,545 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:54,584 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-02-18 10:05:54,658 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 10:05:54,658 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-02-18 10:05:54,904 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,905 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,909 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,923 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 10:05:54,929 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,931 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,933 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,938 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:54,954 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 10:05:54,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,016 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,023 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,026 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,028 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,029 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 10:05:55,040 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,042 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,043 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,047 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,048 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 10:05:55,049 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,090 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,543 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,545 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,547 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,548 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,551 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,555 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,561 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,567 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 10:05:55,578 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,595 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,599 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,601 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,620 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 10:05:55,622 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,677 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,684 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,687 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,689 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,697 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,701 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,703 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,704 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,705 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 10:05:55,720 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,724 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,746 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,768 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:05:55,770 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 10:05:55,771 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-02-18 10:05:55,929 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:05:56,040 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 10:05:56,041 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:125, output treesize:178 [2019-02-18 10:05:56,278 WARN L181 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-02-18 10:05:56,283 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 10:05:56,283 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 10:05:56,382 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 10:05:56,401 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 10:05:56,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 9 [2019-02-18 10:05:56,401 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 10:05:56,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-02-18 10:05:56,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-02-18 10:05:56,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-02-18 10:05:56,403 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 8 states. [2019-02-18 10:06:17,708 WARN L181 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-02-18 10:06:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 10:06:38,471 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-02-18 10:06:38,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-02-18 10:06:38,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-02-18 10:06:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 10:06:38,472 INFO L225 Difference]: With dead ends: 10 [2019-02-18 10:06:38,472 INFO L226 Difference]: Without dead ends: 8 [2019-02-18 10:06:38,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-02-18 10:06:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-02-18 10:06:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-02-18 10:06:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-02-18 10:06:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-02-18 10:06:38,477 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-02-18 10:06:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 10:06:38,478 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-02-18 10:06:38,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-02-18 10:06:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-02-18 10:06:38,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-02-18 10:06:38,479 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 10:06:38,479 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-02-18 10:06:38,479 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 10:06:38,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:06:38,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 3 times [2019-02-18 10:06:38,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 10:06:38,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:06:38,481 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-18 10:06:38,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:06:38,481 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 10:06:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:06:38,801 WARN L181 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 11 [2019-02-18 10:06:39,155 WARN L181 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-02-18 10:06:39,253 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 10:06:39,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:06:39,253 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 10:06:39,254 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 10:06:39,254 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 10:06:39,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:06:39,254 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 10:06:39,265 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-18 10:06:39,265 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-18 10:06:39,378 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-18 10:06:39,378 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-18 10:06:39,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 10:06:39,388 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 10:06:39,394 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,396 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,397 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 10:06:39,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 10:06:39,511 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,512 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,513 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 10:06:39,520 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,521 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,522 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 10:06:39,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,564 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,565 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,567 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,568 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 10:06:39,572 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,573 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,574 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,576 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 10:06:39,577 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,605 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:39,638 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 10:06:39,639 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-02-18 10:06:39,886 WARN L181 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-02-18 10:06:39,919 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,920 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,922 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,923 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 10:06:39,930 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,931 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,933 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,934 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:39,936 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 10:06:39,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:40,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:40,124 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,126 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,145 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,163 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,165 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,168 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,169 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 10:06:40,171 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,173 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,175 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 10:06:40,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,183 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,185 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,186 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,188 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,190 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 10:06:40,191 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:40,276 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:40,329 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 10:06:40,331 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-02-18 10:06:40,719 WARN L181 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-02-18 10:06:40,726 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,727 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,729 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,731 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,732 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,734 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,735 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 10:06:40,742 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,743 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,744 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,746 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,748 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:40,750 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 10:06:40,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:40,809 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:41,130 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,132 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,135 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,139 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,141 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,143 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 10:06:41,147 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,154 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,156 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,158 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,169 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,173 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,179 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,180 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 10:06:41,231 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,252 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,257 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,260 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,268 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:41,269 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 10:06:41,270 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:41,413 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:41,490 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 10:06:41,491 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:225, output treesize:177 [2019-02-18 10:06:44,239 WARN L181 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-02-18 10:06:48,001 WARN L181 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-02-18 10:06:48,052 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,076 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,100 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,105 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,110 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,113 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,118 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,125 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,129 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,133 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,134 INFO L303 Elim1Store]: Index analysis took 131 ms [2019-02-18 10:06:48,135 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 10:06:48,159 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,160 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,162 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,164 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,166 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,169 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:48,171 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 10:06:48,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:48,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:49,511 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,528 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,596 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,604 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,635 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,658 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,676 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,711 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,731 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,742 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,765 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,781 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,812 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,818 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,835 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,841 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,841 INFO L303 Elim1Store]: Index analysis took 374 ms [2019-02-18 10:06:49,842 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 10:06:49,872 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,881 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,884 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,888 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,889 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,892 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:06:49,894 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 10:06:49,896 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:06:50,224 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:06:50,492 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 10:06:50,493 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:317, output treesize:249 [2019-02-18 10:06:58,548 WARN L181 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 67 [2019-02-18 10:06:58,557 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 10:06:58,557 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-18 10:07:02,186 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 10:07:02,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-18 10:07:02,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 14 [2019-02-18 10:07:02,220 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-18 10:07:02,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-02-18 10:07:02,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-02-18 10:07:02,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-02-18 10:07:02,221 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-02-18 10:08:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-18 10:08:18,384 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-02-18 10:08:18,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-02-18 10:08:18,384 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-02-18 10:08:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-18 10:08:18,385 INFO L225 Difference]: With dead ends: 15 [2019-02-18 10:08:18,385 INFO L226 Difference]: Without dead ends: 12 [2019-02-18 10:08:18,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-02-18 10:08:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-02-18 10:08:18,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-02-18 10:08:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-02-18 10:08:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-02-18 10:08:18,391 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 7 [2019-02-18 10:08:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-18 10:08:18,391 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-02-18 10:08:18,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-02-18 10:08:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-02-18 10:08:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-02-18 10:08:18,392 INFO L394 BasicCegarLoop]: Found error trace [2019-02-18 10:08:18,392 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2019-02-18 10:08:18,392 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-02-18 10:08:18,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-18 10:08:18,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166432, now seen corresponding path program 4 times [2019-02-18 10:08:18,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-18 10:08:18,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:08:18,394 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-18 10:08:18,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-18 10:08:18,394 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-18 10:08:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:08:19,167 WARN L181 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 10 [2019-02-18 10:08:19,395 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 10:08:19,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:08:19,396 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-18 10:08:19,396 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-18 10:08:19,397 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-18 10:08:19,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-18 10:08:19,397 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 10:08:19,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-18 10:08:19,407 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-18 10:08:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-18 10:08:21,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-18 10:08:21,492 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 10:08:21,500 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,502 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,503 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 10:08:21,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,525 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-02-18 10:08:21,570 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,571 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,572 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 10:08:21,577 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,578 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,578 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 10:08:21,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,601 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,602 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,604 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,605 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 10:08:21,609 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,610 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,611 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,612 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 10:08:21,613 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,634 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,668 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 10:08:21,668 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-02-18 10:08:21,868 WARN L181 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-02-18 10:08:21,871 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,873 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,874 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,874 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 10:08:21,878 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,879 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,880 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,881 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:21,883 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 10:08:21,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:21,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:22,019 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,021 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,023 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,024 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 10:08:22,025 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,027 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,029 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,031 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,032 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 10:08:22,039 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,040 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,046 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,048 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:22,049 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 10:08:22,050 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:22,110 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:22,177 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 10:08:22,178 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-02-18 10:08:23,092 WARN L181 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-02-18 10:08:23,100 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 10:08:23,112 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,121 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,131 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,138 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,147 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,152 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,161 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,297 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,298 INFO L683 Elim1Store]: detected equality via solver [2019-02-18 10:08:23,302 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,306 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,311 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,322 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,323 INFO L303 Elim1Store]: Index analysis took 229 ms [2019-02-18 10:08:23,324 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 10:08:23,346 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,348 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,351 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,354 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,357 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,358 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 10:08:23,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:23,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:23,754 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,756 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,758 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,760 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,763 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,764 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,766 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 10:08:23,774 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,776 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,778 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,780 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,782 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:23,784 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 10:08:23,785 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:23,851 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:23,996 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 10:08:23,996 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:229, output treesize:173 [2019-02-18 10:08:24,967 WARN L181 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-02-18 10:08:44,749 WARN L181 SmtUtils]: Spent 19.78 s on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-02-18 10:08:44,756 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,757 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,758 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,759 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,761 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,763 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,765 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,767 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,768 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,775 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,777 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 10:08:44,786 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,788 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,790 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,792 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,793 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,796 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:44,798 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 10:08:44,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:44,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:46,488 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,523 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,543 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,561 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,598 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,618 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,785 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,799 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,815 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,838 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,878 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,902 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,931 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:46,963 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,006 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,034 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,034 INFO L303 Elim1Store]: Index analysis took 570 ms [2019-02-18 10:08:47,035 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 10:08:47,070 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,089 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,094 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,096 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,099 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,101 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:08:47,103 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 10:08:47,104 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:08:47,405 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:08:47,739 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 10:08:47,740 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:313, output treesize:235 [2019-02-18 10:08:59,119 WARN L181 SmtUtils]: Spent 10.06 s on a formula simplification that was a NOOP. DAG size: 64 [2019-02-18 10:09:06,017 WARN L181 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-02-18 10:09:06,036 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,039 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,063 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,076 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,085 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,098 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,122 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,125 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,136 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,148 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,155 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,166 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,169 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,174 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,188 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,189 INFO L303 Elim1Store]: Index analysis took 170 ms [2019-02-18 10:09:06,190 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 10:09:06,198 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,201 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,203 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,204 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,206 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,209 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,211 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:06,213 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 10:09:06,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:09:06,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:09:11,441 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,474 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,494 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,543 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,694 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,738 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,745 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,764 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,777 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,836 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,843 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,861 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:11,956 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,033 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,074 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,203 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,241 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,290 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,312 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,397 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,468 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,589 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,589 INFO L303 Elim1Store]: Index analysis took 1287 ms [2019-02-18 10:09:12,590 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 10:09:12,684 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,707 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,732 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,757 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,789 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,820 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,850 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:09:12,851 INFO L303 Elim1Store]: Index analysis took 257 ms [2019-02-18 10:09:12,853 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 10:09:12,858 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:09:14,075 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:09:14,754 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 10:09:14,754 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:423, output treesize:319 [2019-02-18 10:10:10,400 WARN L181 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 72 [2019-02-18 10:10:25,031 WARN L181 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-02-18 10:10:25,109 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,210 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,295 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,399 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,513 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,565 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,595 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,690 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,814 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,874 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:25,962 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,080 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,163 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,193 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,259 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,338 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,553 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,618 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,670 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,770 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,828 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:26,992 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,104 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,160 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,199 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,294 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,582 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,668 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,693 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,694 INFO L303 Elim1Store]: Index analysis took 2661 ms [2019-02-18 10:10:27,695 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 10:10:27,778 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,786 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,788 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,790 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,812 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,813 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,816 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,819 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:27,820 INFO L303 Elim1Store]: Index analysis took 121 ms [2019-02-18 10:10:27,821 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 10:10:27,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:10:30,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:10:52,383 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,393 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,394 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,400 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,401 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,411 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,417 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,430 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,433 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,445 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,460 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,462 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,463 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,465 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,466 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,467 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,472 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,477 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,480 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,482 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,499 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,500 INFO L303 Elim1Store]: Index analysis took 134 ms [2019-02-18 10:10:52,501 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 10:10:52,511 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,513 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,516 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,517 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,518 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,520 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,522 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,525 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:10:52,527 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 10:10:52,528 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:10:52,900 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:10:57,030 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 10:10:57,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:547, output treesize:445 [2019-02-18 10:12:14,337 WARN L181 SmtUtils]: Spent 12.31 s on a formula simplification that was a NOOP. DAG size: 81 [2019-02-18 10:12:47,334 WARN L181 SmtUtils]: Spent 32.99 s on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-02-18 10:12:47,481 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:47,680 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:47,726 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:47,901 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:47,964 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,155 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,157 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,226 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,321 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,399 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,571 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,601 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,766 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:48,873 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,036 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,114 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,149 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,227 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,284 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,421 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,565 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,688 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,772 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:49,922 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,091 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,123 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,157 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,252 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,486 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,568 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,593 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,932 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:50,945 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,028 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,147 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,377 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,521 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,522 INFO L303 Elim1Store]: Index analysis took 4186 ms [2019-02-18 10:12:51,523 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 10:12:51,718 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,735 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,737 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,740 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,743 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,746 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,775 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,778 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,834 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:12:51,835 INFO L303 Elim1Store]: Index analysis took 307 ms [2019-02-18 10:12:51,837 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 10:12:51,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:12:55,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:13:20,931 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,932 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,933 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,935 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,937 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,939 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,945 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,956 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:20,966 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,013 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,017 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,032 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,037 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,055 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,096 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,098 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,105 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,116 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,130 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,140 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,141 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,142 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,160 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,165 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,175 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,181 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,185 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,187 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,188 INFO L303 Elim1Store]: Index analysis took 267 ms [2019-02-18 10:13:21,190 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 10:13:21,239 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,242 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,245 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,247 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,250 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,253 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,256 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,258 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,260 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:13:21,262 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 10:13:21,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:13:22,164 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:13:38,387 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 10:13:38,387 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:689, output treesize:557 [2019-02-18 10:15:39,912 WARN L181 SmtUtils]: Spent 10.09 s on a formula simplification that was a NOOP. DAG size: 89 [2019-02-18 10:16:23,307 WARN L181 SmtUtils]: Spent 43.38 s on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-02-18 10:16:23,438 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,445 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,502 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,643 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,730 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,789 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:23,935 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,066 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,145 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,205 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,275 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,523 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,610 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:24,915 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:25,047 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:25,241 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:32,280 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:32,524 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:32,801 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:32,811 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,058 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,477 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,486 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,550 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,797 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:33,976 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:34,116 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:34,673 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:34,740 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:34,839 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:34,932 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:35,114 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:35,290 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:35,318 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:35,397 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:35,916 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,117 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,376 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,500 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,674 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,776 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,817 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,841 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:36,978 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,115 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,235 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,235 INFO L303 Elim1Store]: Index analysis took 13927 ms [2019-02-18 10:16:37,236 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 10:16:37,757 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,760 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,763 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,766 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,769 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,775 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,784 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,806 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,825 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,828 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:16:37,829 INFO L303 Elim1Store]: Index analysis took 582 ms [2019-02-18 10:16:37,830 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 10:16:37,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-02-18 10:16:50,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:17:41,669 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:41,886 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:41,898 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:41,912 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:41,974 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,075 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,090 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,135 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,239 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,272 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,274 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,284 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,300 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,302 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,328 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,342 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,345 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,346 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,409 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,411 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,429 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,430 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,431 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,432 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,474 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,578 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,580 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,656 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,657 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,658 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,681 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,691 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,823 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,857 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,899 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,917 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:42,918 INFO L303 Elim1Store]: Index analysis took 1290 ms [2019-02-18 10:17:42,919 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 10:17:42,999 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,005 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,007 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,010 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,012 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,014 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,020 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,022 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,027 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,030 INFO L701 Elim1Store]: detected not equals via solver [2019-02-18 10:17:43,031 INFO L303 Elim1Store]: Index analysis took 108 ms [2019-02-18 10:17:43,032 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 10:17:43,034 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-02-18 10:17:44,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-18 10:17:48,885 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 10:17:48,885 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:841, output treesize:653