java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 16:58:40,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 16:58:40,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 16:58:40,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 16:58:40,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 16:58:40,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 16:58:40,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 16:58:40,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 16:58:40,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 16:58:40,960 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 16:58:40,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-31 16:58:41,000 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-01-31 16:58:41,022 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 16:58:41,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 16:58:41,023 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 16:58:41,023 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 16:58:41,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 16:58:41,023 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 16:58:41,024 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 16:58:41,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 16:58:41,024 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 16:58:41,024 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 16:58:41,024 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 16:58:41,025 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 16:58:41,025 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 16:58:41,026 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 16:58:41,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 16:58:41,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 16:58:41,028 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 16:58:41,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 16:58:41,029 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 16:58:41,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 16:58:41,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 16:58:41,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 16:58:41,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 16:58:41,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 16:58:41,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 16:58:41,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 16:58:41,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 16:58:41,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 16:58:41,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 16:58:41,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 16:58:41,032 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 16:58:41,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 16:58:41,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 16:58:41,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 16:58:41,033 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 16:58:41,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 16:58:41,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 16:58:41,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 16:58:41,100 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 16:58:41,101 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 16:58:41,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-01-31 16:58:41,102 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-01-31 16:58:41,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 16:58:41,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 16:58:41,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 16:58:41,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 16:58:41,133 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 16:58:41,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,167 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-31 16:58:41,168 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-31 16:58:41,168 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-31 16:58:41,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 16:58:41,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 16:58:41,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 16:58:41,171 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 16:58:41,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/1) ... [2019-01-31 16:58:41,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 16:58:41,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 16:58:41,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 16:58:41,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 16:58:41,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (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 [2019-01-31 16:58:41,266 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-31 16:58:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-31 16:58:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-31 16:58:41,514 INFO L278 CfgBuilder]: Using library mode [2019-01-31 16:58:41,515 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-31 16:58:41,516 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:58:41 BoogieIcfgContainer [2019-01-31 16:58:41,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 16:58:41,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-31 16:58:41,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-31 16:58:41,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-31 16:58:41,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 04:58:41" (1/2) ... [2019-01-31 16:58:41,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61026556 and model type SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:58:41, skipping insertion in model container [2019-01-31 16:58:41,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:58:41" (2/2) ... [2019-01-31 16:58:41,524 INFO L112 eAbstractionObserver]: Analyzing ICFG SkatingStrawberry.bpl [2019-01-31 16:58:41,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-31 16:58:41,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-31 16:58:41,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-31 16:58:41,595 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-31 16:58:41,595 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-31 16:58:41,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-31 16:58:41,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-31 16:58:41,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-31 16:58:41,596 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-31 16:58:41,596 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-31 16:58:41,596 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-31 16:58:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-01-31 16:58:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-31 16:58:41,615 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 16:58:41,616 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-31 16:58:41,618 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 16:58:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 16:58:41,623 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2019-01-31 16:58:41,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 16:58:41,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:58:41,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 16:58:41,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:58:41,668 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 16:58:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 16:58:41,959 WARN L181 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2019-01-31 16:58:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:58:41,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-31 16:58:41,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-31 16:58:41,996 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-31 16:58:42,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-31 16:58:42,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-31 16:58:42,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-31 16:58:42,018 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-01-31 16:58:42,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 16:58:42,087 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-01-31 16:58:42,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-31 16:58:42,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-31 16:58:42,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 16:58:42,101 INFO L225 Difference]: With dead ends: 15 [2019-01-31 16:58:42,101 INFO L226 Difference]: Without dead ends: 5 [2019-01-31 16:58:42,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-31 16:58:42,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-01-31 16:58:42,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-01-31 16:58:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-31 16:58:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-01-31 16:58:42,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-01-31 16:58:42,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 16:58:42,140 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-01-31 16:58:42,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-31 16:58:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-01-31 16:58:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-31 16:58:42,141 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 16:58:42,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-31 16:58:42,141 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 16:58:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 16:58:42,142 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2019-01-31 16:58:42,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 16:58:42,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:58:42,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 16:58:42,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:58:42,144 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 16:58:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 16:58:42,387 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2019-01-31 16:58:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:58:42,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:58:42,401 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 16:58:42,402 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-01-31 16:58:42,404 INFO L207 CegarAbsIntRunner]: [0], [4], [8], [9] [2019-01-31 16:58:42,465 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-01-31 16:58:42,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 16:58:42,535 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 16:58:42,536 INFO L272 AbstractInterpreter]: Visited 4 different actions 4 times. Never merged. Never widened. Performed 22 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-31 16:58:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 16:58:42,542 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-31 16:58:42,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:58:42,542 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-31 16:58:42,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 16:58:42,551 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 16:58:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 16:58:42,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 16:58:42,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-31 16:58:42,661 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:42,687 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:42,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-31 16:58:42,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:58:42,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:58:42,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:58:42,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-31 16:58:43,236 WARN L181 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-31 16:58:43,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,396 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 58 [2019-01-31 16:58:43,436 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,438 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 70 [2019-01-31 16:58:43,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:58:43,634 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,652 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,656 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,658 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,665 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 90 [2019-01-31 16:58:43,717 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-31 16:58:43,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-31 16:58:43,865 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,873 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,874 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 57 [2019-01-31 16:58:43,903 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:43,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 66 [2019-01-31 16:58:43,910 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-31 16:58:44,168 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,194 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,206 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:58:44,265 INFO L303 Elim1Store]: Index analysis took 128 ms [2019-01-31 16:58:44,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 86 [2019-01-31 16:58:44,268 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-31 16:58:44,325 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-31 16:58:44,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-31 16:58:44,409 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:42, output treesize:145 [2019-01-31 16:58:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:58:44,532 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 16:58:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:58:44,660 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 16:58:44,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-01-31 16:58:44,660 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 16:58:44,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-31 16:58:44,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-31 16:58:44,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-31 16:58:44,663 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2019-01-31 16:59:04,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 16:59:04,794 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-01-31 16:59:04,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-31 16:59:04,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-01-31 16:59:04,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 16:59:04,796 INFO L225 Difference]: With dead ends: 8 [2019-01-31 16:59:04,796 INFO L226 Difference]: Without dead ends: 6 [2019-01-31 16:59:04,797 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 [2019-01-31 16:59:04,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-31 16:59:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-31 16:59:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-31 16:59:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-01-31 16:59:04,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-01-31 16:59:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 16:59:04,799 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-01-31 16:59:04,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-31 16:59:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-01-31 16:59:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-31 16:59:04,800 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 16:59:04,800 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-01-31 16:59:04,800 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 16:59:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 16:59:04,802 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2019-01-31 16:59:04,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 16:59:04,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:59:04,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 16:59:04,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:59:04,803 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 16:59:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 16:59:05,128 WARN L181 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-01-31 16:59:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:59:05,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:59:05,140 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 16:59:05,140 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 16:59:05,140 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 16:59:05,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:59:05,140 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-31 16:59:05,164 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 16:59:05,165 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 16:59:05,176 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-31 16:59:05,177 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 16:59:05,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 16:59:05,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-31 16:59:05,192 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,194 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-31 16:59:05,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,217 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-31 16:59:05,288 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,349 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 53 [2019-01-31 16:59:05,356 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,360 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,362 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2019-01-31 16:59:05,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,459 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,461 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 42 [2019-01-31 16:59:05,462 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,532 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-31 16:59:05,540 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,566 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2019-01-31 16:59:05,579 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,582 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,583 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,601 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 70 [2019-01-31 16:59:05,603 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,669 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,671 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,672 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:05,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 46 [2019-01-31 16:59:05,684 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:05,717 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-31 16:59:05,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-31 16:59:05,792 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-01-31 16:59:06,168 WARN L181 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-01-31 16:59:06,179 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,180 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,184 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 72 [2019-01-31 16:59:06,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,215 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,247 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 100 [2019-01-31 16:59:06,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,318 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2019-01-31 16:59:06,426 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,429 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,433 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,434 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 93 [2019-01-31 16:59:06,435 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,512 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,790 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,793 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,796 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,800 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,807 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 122 [2019-01-31 16:59:06,831 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,840 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,846 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,864 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 167 [2019-01-31 16:59:06,866 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,922 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:06,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,928 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,929 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,936 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,938 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,940 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 125 [2019-01-31 16:59:06,951 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:06,979 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:07,001 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:07,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 164 [2019-01-31 16:59:07,004 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:07,211 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:07,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-31 16:59:07,330 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:125, output treesize:178 [2019-01-31 16:59:07,578 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-01-31 16:59:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:59:07,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 16:59:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-31 16:59:07,664 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 16:59:07,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 9 [2019-01-31 16:59:07,664 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 16:59:07,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-31 16:59:07,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-31 16:59:07,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-01-31 16:59:07,665 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 8 states. [2019-01-31 16:59:31,057 WARN L181 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-01-31 16:59:51,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 16:59:51,337 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-31 16:59:51,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-31 16:59:51,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-01-31 16:59:51,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 16:59:51,338 INFO L225 Difference]: With dead ends: 10 [2019-01-31 16:59:51,338 INFO L226 Difference]: Without dead ends: 8 [2019-01-31 16:59:51,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-01-31 16:59:51,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-31 16:59:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-31 16:59:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-31 16:59:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-31 16:59:51,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-01-31 16:59:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 16:59:51,344 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-31 16:59:51,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-31 16:59:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-31 16:59:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-31 16:59:51,345 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 16:59:51,345 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-01-31 16:59:51,345 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 16:59:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 16:59:51,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 3 times [2019-01-31 16:59:51,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 16:59:51,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:59:51,347 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 16:59:51,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 16:59:51,347 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 16:59:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 16:59:51,864 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-01-31 16:59:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 16:59:51,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:59:51,991 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 16:59:51,991 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 16:59:51,991 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 16:59:51,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 16:59:51,992 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-31 16:59:52,008 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 16:59:52,009 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 16:59:52,134 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 16:59:52,134 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 16:59:52,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 16:59:52,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-31 16:59:52,157 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,159 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-31 16:59:52,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-31 16:59:52,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2019-01-31 16:59:52,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,291 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,292 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2019-01-31 16:59:52,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,374 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2019-01-31 16:59:52,381 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,382 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,383 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 69 [2019-01-31 16:59:52,386 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,648 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-31 16:59:52,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-01-31 16:59:52,908 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-01-31 16:59:52,916 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,917 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 89 [2019-01-31 16:59:52,933 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,934 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,935 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,937 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:52,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-31 16:59:52,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:52,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:53,109 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,113 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,132 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,147 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,150 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,150 INFO L683 Elim1Store]: detected equality via solver [2019-01-31 16:59:53,154 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,155 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 148 [2019-01-31 16:59:53,165 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,168 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,170 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 136 [2019-01-31 16:59:53,173 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:53,249 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:53,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 16:59:53,299 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-01-31 16:59:53,829 WARN L181 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-01-31 16:59:53,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,835 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,839 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,840 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,841 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 161 [2019-01-31 16:59:53,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,853 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,855 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,857 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:53,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 159 [2019-01-31 16:59:53,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:53,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:54,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,505 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,524 INFO L683 Elim1Store]: detected equality via solver [2019-01-31 16:59:54,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,541 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,545 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,547 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 270 [2019-01-31 16:59:54,596 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,602 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,604 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,610 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,611 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 16:59:54,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 192 [2019-01-31 16:59:54,614 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 16:59:54,742 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 16:59:54,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 16:59:54,916 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:225, output treesize:177 [2019-01-31 17:00:05,211 WARN L181 SmtUtils]: Spent 10.07 s on a formula simplification that was a NOOP. DAG size: 59 [2019-01-31 17:00:08,556 WARN L181 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-01-31 17:00:08,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,577 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,585 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,597 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,603 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,608 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,614 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 296 [2019-01-31 17:00:08,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,623 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,624 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,626 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,628 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,630 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:08,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 212 [2019-01-31 17:00:08,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:00:08,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:00:10,170 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,199 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,207 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,217 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,246 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,299 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,320 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,342 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,359 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,374 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,393 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,414 INFO L303 Elim1Store]: Index analysis took 403 ms [2019-01-31 17:00:10,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 394 [2019-01-31 17:00:10,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,556 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:00:10,567 INFO L303 Elim1Store]: Index analysis took 148 ms [2019-01-31 17:00:10,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 23 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 319 [2019-01-31 17:00:10,570 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:00:11,010 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:00:11,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:00:11,290 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:317, output treesize:249 [2019-01-31 17:00:26,385 WARN L181 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-01-31 17:00:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 17:00:26,393 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 17:00:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-31 17:00:29,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 17:00:29,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 14 [2019-01-31 17:00:29,857 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 17:00:29,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-31 17:00:29,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-31 17:00:29,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-01-31 17:00:29,861 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-01-31 17:01:58,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 17:01:58,687 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-01-31 17:01:58,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-31 17:01:58,687 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-01-31 17:01:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 17:01:58,688 INFO L225 Difference]: With dead ends: 15 [2019-01-31 17:01:58,688 INFO L226 Difference]: Without dead ends: 12 [2019-01-31 17:01:58,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-01-31 17:01:58,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-31 17:01:58,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-31 17:01:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-31 17:01:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-01-31 17:01:58,694 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 7 [2019-01-31 17:01:58,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 17:01:58,694 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-01-31 17:01:58,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-31 17:01:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-01-31 17:01:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-31 17:01:58,694 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 17:01:58,695 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2019-01-31 17:01:58,695 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 17:01:58,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 17:01:58,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166432, now seen corresponding path program 4 times [2019-01-31 17:01:58,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 17:01:58,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 17:01:58,696 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 17:01:58,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 17:01:58,696 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 17:01:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 17:01:59,396 WARN L181 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 10 [2019-01-31 17:01:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-01-31 17:01:59,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 17:01:59,548 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 17:01:59,549 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 17:01:59,549 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 17:01:59,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 17:01:59,549 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-31 17:01:59,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 17:01:59,559 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 17:02:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 17:02:01,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 17:02:01,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-31 17:02:01,613 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,616 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-31 17:02:01,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,637 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-31 17:02:01,681 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,682 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2019-01-31 17:02:01,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,690 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2019-01-31 17:02:01,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,723 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,724 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2019-01-31 17:02:01,731 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,732 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:01,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 69 [2019-01-31 17:02:01,736 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,760 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:01,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-31 17:02:01,795 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-01-31 17:02:02,123 WARN L181 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-01-31 17:02:02,129 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,131 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 89 [2019-01-31 17:02:02,144 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,145 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,149 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-31 17:02:02,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:02,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:02,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,304 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,305 INFO L683 Elim1Store]: detected equality via solver [2019-01-31 17:02:02,307 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,308 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,326 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,327 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 [2019-01-31 17:02:02,357 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,359 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,360 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,363 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:02,364 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 [2019-01-31 17:02:02,365 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:02,423 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:02,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:02:02,612 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-01-31 17:02:03,570 WARN L181 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-01-31 17:02:03,578 INFO L683 Elim1Store]: detected equality via solver [2019-01-31 17:02:03,581 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,588 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,595 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,610 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,640 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,847 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,848 INFO L683 Elim1Store]: detected equality via solver [2019-01-31 17:02:03,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,860 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,869 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,869 INFO L303 Elim1Store]: Index analysis took 298 ms [2019-01-31 17:02:03,870 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 [2019-01-31 17:02:03,880 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,881 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,884 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:03,887 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,350 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,351 INFO L303 Elim1Store]: Index analysis took 477 ms [2019-01-31 17:02:04,352 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 [2019-01-31 17:02:04,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:04,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:04,688 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,690 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,691 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,693 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,694 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,696 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 [2019-01-31 17:02:04,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,723 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:04,724 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 [2019-01-31 17:02:04,725 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:04,792 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:05,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:02:05,047 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:229, output treesize:173 [2019-01-31 17:02:08,420 WARN L181 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-01-31 17:02:10,388 WARN L181 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-01-31 17:02:10,393 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,394 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,399 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,400 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,402 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,406 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,410 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 [2019-01-31 17:02:10,418 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,419 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,421 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,423 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,426 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,429 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:10,430 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 [2019-01-31 17:02:10,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:10,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:12,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,286 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,331 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,344 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,388 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,440 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,493 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,520 INFO L303 Elim1Store]: Index analysis took 343 ms [2019-01-31 17:02:12,522 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 [2019-01-31 17:02:12,541 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,553 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,556 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:12,560 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 [2019-01-31 17:02:12,561 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:12,828 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:13,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:02:13,165 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:313, output treesize:235 [2019-01-31 17:02:32,000 WARN L181 SmtUtils]: Spent 6.07 s on a formula simplification that was a NOOP. DAG size: 64 [2019-01-31 17:02:37,760 WARN L181 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-01-31 17:02:37,777 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,787 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,814 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,825 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,849 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,868 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,874 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,922 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,923 INFO L303 Elim1Store]: Index analysis took 161 ms [2019-01-31 17:02:37,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 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 [2019-01-31 17:02:37,938 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,941 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,947 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:37,951 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 [2019-01-31 17:02:37,952 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:39,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:43,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,394 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,424 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,443 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,474 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,494 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,572 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,642 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,692 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,710 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,769 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,792 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,839 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:43,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,089 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,140 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,140 INFO L303 Elim1Store]: Index analysis took 875 ms [2019-01-31 17:02:44,141 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 [2019-01-31 17:02:44,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,232 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:02:44,290 INFO L303 Elim1Store]: Index analysis took 145 ms [2019-01-31 17:02:44,291 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 [2019-01-31 17:02:44,293 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:02:45,480 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:02:46,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:02:46,182 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:423, output treesize:319 [2019-01-31 17:03:29,146 WARN L181 SmtUtils]: Spent 7.41 s on a formula simplification that was a NOOP. DAG size: 72 [2019-01-31 17:03:45,656 WARN L181 SmtUtils]: Spent 16.50 s on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-01-31 17:03:45,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:45,813 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:45,861 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:45,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:45,974 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,095 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,762 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,838 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:46,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:47,005 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:47,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:47,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:47,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:47,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,014 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,158 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,295 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,363 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,636 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,876 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,877 INFO L303 Elim1Store]: Index analysis took 3219 ms [2019-01-31 17:03:48,878 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 [2019-01-31 17:03:48,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,963 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,974 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,978 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,983 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,985 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:03:48,986 INFO L303 Elim1Store]: Index analysis took 103 ms [2019-01-31 17:03:48,988 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 [2019-01-31 17:03:48,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:03:52,894 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:04:22,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,663 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,666 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,672 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,679 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,701 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,703 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,704 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,705 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,714 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,724 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,726 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,729 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,730 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,749 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,754 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,761 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,770 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,770 INFO L303 Elim1Store]: Index analysis took 123 ms [2019-01-31 17:04:22,771 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 [2019-01-31 17:04:22,780 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,782 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,808 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,822 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,824 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,826 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:04:22,828 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 [2019-01-31 17:04:22,829 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:04:23,511 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:04:26,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:04:26,207 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:547, output treesize:445 [2019-01-31 17:05:45,833 WARN L181 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 81 [2019-01-31 17:06:06,670 WARN L181 SmtUtils]: Spent 20.83 s on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-01-31 17:06:06,882 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,117 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,395 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,541 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,849 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:07,910 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,092 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,160 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,229 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,338 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,422 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,474 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,595 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:08,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,070 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,123 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,190 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,359 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,440 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,488 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,579 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,639 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,856 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:09,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,031 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,033 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,087 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,401 INFO L303 Elim1Store]: Index analysis took 3730 ms [2019-01-31 17:06:10,403 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 [2019-01-31 17:06:10,437 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,477 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:06:10,503 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 [2019-01-31 17:06:10,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:06:15,753 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:07:01,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,870 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,879 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,889 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,910 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,925 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,928 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,938 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,959 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:01,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,008 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,027 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,044 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,059 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,061 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,092 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,123 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,145 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,160 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,188 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,188 INFO L303 Elim1Store]: Index analysis took 343 ms [2019-01-31 17:07:02,189 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 [2019-01-31 17:07:02,330 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,332 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,336 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,338 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,340 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,342 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,347 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,352 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:07:02,352 INFO L303 Elim1Store]: Index analysis took 159 ms [2019-01-31 17:07:02,354 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 [2019-01-31 17:07:02,356 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:07:03,119 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:07:07,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:07:07,238 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:689, output treesize:557 [2019-01-31 17:09:08,035 WARN L181 SmtUtils]: Spent 7.93 s on a formula simplification that was a NOOP. DAG size: 89 [2019-01-31 17:09:50,889 WARN L181 SmtUtils]: Spent 42.85 s on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-01-31 17:09:51,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:51,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:51,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:51,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:51,876 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:51,950 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:52,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:52,627 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:52,746 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:52,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:53,001 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:53,099 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:53,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:53,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:54,142 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:54,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:54,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,313 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,315 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,759 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,833 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:55,835 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,425 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:56,769 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:57,136 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:57,445 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:57,541 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:57,667 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:57,794 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,015 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:58,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,061 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,108 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,110 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,456 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:09:59,576 INFO L303 Elim1Store]: Index analysis took 8685 ms [2019-01-31 17:09:59,577 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 [2019-01-31 17:10:00,216 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,245 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,283 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:10:00,284 INFO L303 Elim1Store]: Index analysis took 701 ms [2019-01-31 17:10:00,285 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 [2019-01-31 17:10:00,288 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-31 17:10:09,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:11:16,354 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,364 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,388 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,389 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,425 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,456 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,487 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,545 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,546 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,547 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,577 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,634 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,662 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,663 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,667 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,810 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,846 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,847 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,863 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,887 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,903 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,905 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,934 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,979 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,983 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,985 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:16,985 INFO L303 Elim1Store]: Index analysis took 655 ms [2019-01-31 17:11:16,987 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 [2019-01-31 17:11:17,014 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,027 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,038 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,047 INFO L701 Elim1Store]: detected not equals via solver [2019-01-31 17:11:17,049 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 [2019-01-31 17:11:17,050 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-31 17:11:18,758 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 17:11:26,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-31 17:11:26,822 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:841, output treesize:653